Collector & Reseller Glossary

What the jargon actually means — and what it does to resale value. 3,212 terms across 12 categories.

322 terms in Coins & Currency · page 4 of 6

1. platingCoins & Currency
   This refers to a thin layer of a different metal applied to the surface of a coin, often to enhance its appearance or protect the underlying metal. Plating can be gold, silver, copper, or other materials. For collectors,
2. population rarityCoins & Currency
   This refers to the estimated number of examples of a specific coin that are known to exist in the current market or in circulation. It is a crucial metric for collectors because scarcity directly influences desirability
3. pre-colonialCoins & Currency
   This term refers to coinage minted before the arrival of European colonial powers in a specific region. For collectors, pre-colonial pieces often represent unique cultural artifacts, showcasing indigenous artistry, metal
4. preservedCoins & Currency
   This term describes the physical condition of a coin, indicating that it has been kept in a state that minimizes wear, damage, and environmental degradation since its minting or acquisition. It suggests the coin retains
5. private mintCoins & Currency
   A private mint refers to a coin struck by a private entity or a non-governmental mint, as opposed to one produced by a national or official mint. These coins are often produced for collectors, specific numismatic groups,
6. private saleCoins & Currency
   This refers to a transaction where a buyer and seller agree to exchange items directly, bypassing established auction houses, dealer storefronts, or large online marketplaces. It is a common method for collectors to acqu
7. proofCoins & Currency
   A proof coin is a specimen struck under highly controlled conditions, typically using specially prepared dies and planchets to achieve an exceptionally high level of detail and luster. Unlike standard circulation coins,
8. proof coinCoins & Currency
   A proof coin is a specimen struck under extremely high pressure and with specially prepared dies and planchets to achieve a mirror-like finish on the fields and frosted details on the devices. These coins are intended fo
9. proof errorCoins & Currency
   A proof error refers to a minting mistake that occurs specifically on a proof coin, which is a high-quality, specially prepared specimen coin intended for collectors. These errors can range from die cracks, off-center st
10. proof finishCoins & Currency
    A proof finish refers to a specific, high-quality minting process used for collectible coins. These coins are struck using specially prepared dies and blanks, often resulting in an extremely smooth, mirror-like field and
11. proof plateCoins & Currency
    A proof plate refers to a master die used by mints to create extremely high-quality, mirror-like specimens of a coin before mass production. These plates are used to strike proof coins, which are characterized by their f
12. proof setCoins & Currency
    A proof set refers to a collection of specially minted coins that have been produced using a high-quality, mirror-like striking process. These coins are designed for collectors and feature extremely sharp details, brilli
13. proof specimenCoins & Currency
    A proof specimen is a coin struck using special dies and processes designed to produce an exceptionally high-quality, mirror-like finish on the fields and frosted details on the devices. These coins are typically produce
14. proof strikeCoins & Currency
    A proof strike is a specific minting process where the coin is struck using specially prepared dies and blanks to achieve an extremely high level of detail and a mirror-like finish on the fields, often with frosted devic
15. proof varietyCoins & Currency
    A proof variety refers to a specific, often rare, variation found within a coin that has been struck using the proof minting process. Proof coins are highly polished, mirror-like specimens intended for collectors, featur
16. ps gradeCoins & Currency
    This refers to the Professional Sports Guaranty grade, a grading service used primarily for sports memorabilia, but sometimes applied to high-value collectible coins to denote a specific level of preservation and authent
17. rare coinCoins & Currency
    This refers to a numismatic item that is scarce, either due to low mintage figures, limited survival rates, or specific historical circumstances that restrict its availability. The rarity directly impacts its market desi
18. rare dateCoins & Currency
    A rare date refers to a specific year of mintage for a coin that was produced in significantly lower quantities compared to other years of the same coin type. This scarcity is the primary driver of its increased desirabi
19. rare findCoins & Currency
    This phrase generally describes a coin or collectible that is uncommon or scarce within the market. It doesn't refer to a specific grading or catalog designation but rather a subjective assessment of its availability com
20. raw coinCoins & Currency
    A raw coin is a piece of currency that has not been professionally graded, encapsulated, or certified by a recognized third-party grading service like PCGS or NGC. It is simply the coin as it was acquired, often still in
21. re-enteredCoins & Currency
    This term refers to a coin that has been officially re-entered into a recognized grading service's population report after having been previously graded and then subsequently withdrawn or returned. When a coin is re-ente
22. re-entered varietyCoins & Currency
    A re-entered variety refers to a coin that, after being withdrawn from circulation or designated as a specific type, is later reintroduced into the market or minting process, sometimes with minor variations or under diff
23. re-entryCoins & Currency
    This term refers to a coin's return to circulation after a period of being withdrawn, often due to minting errors, temporary scarcity, or specific numismatic events. For collectors, the context of the re-entry is crucial
24. re-mintCoins & Currency
    A re-mint refers to a coin that has been struck again by a mint, often after the original mintage has been depleted or as part of a special commemorative series. These coins are not simply recoinages of an old design but
25. re-mintedCoins & Currency
    This term refers to coins that have been struck again by a mint after their original issue, often using the same or similar dies. These are not considered original circulation pieces, but rather modern reproductions made
26. re-strikeCoins & Currency
    A re-strike is a coin that has been melted down and then struck again, often using the original dies or a replica of them. This process is typically undertaken when a coin has been damaged, or sometimes as a deliberate m
27. re-strike varietyCoins & Currency
    A re-strike variety refers to a coin that has been struck a second time, usually after the original striking process was halted or deemed flawed. This can happen for various reasons, such as correcting an error, changing
28. re-struckCoins & Currency
    This term refers to a coin that has been melted down and then recast or struck again, often using the original design or a similar one. It is a significant concern for collectors because it indicates the coin is not a ge
29. redemption valueCoins & Currency
    This refers to the intrinsic worth of a coin, often tied to the metal it is made from, rather than its numismatic or collector appeal. In essence, it is what the metal itself is worth if you were to melt the coin down an
30. reeded edgeCoins & Currency
    This refers to a specific type of coin edge that features a series of raised, parallel lines or grooves running around the circumference. Unlike a plain or milled edge, the reeded design is an intentional manufacturing f
31. reeded edge varietyCoins & Currency
    This refers to a specific variation in the milling or design of the edge of a coin, where the reeding—the decorative or protective ridges along the circumference—differs from the standard issue. These variations can be s
32. reedingCoins & Currency
    This refers to the fine, often intricate lines or patterns visible on the surface of a coin, typically created during the minting process. These lines are part of the coin's design or are artifacts of the striking proces
33. reference bookCoins & Currency
    A reference book is a specialized catalog or guide used by coin collectors and dealers to identify, authenticate, and value numismatic items. These publications contain detailed images, descriptions, and established grad
34. reignCoins & Currency
    This refers to the period during which a monarch, such as a king or queen, held the throne. For numismatists and collectors, the reign is a critical identifier, as different rulers issued distinct sets of coinage, often
35. reproofCoins & Currency
    This term refers to a coin that has been officially re-certified or re-graded by a recognized third-party grading service, such as PCGS or NGC. It signifies that the coin has gone through a secondary, often more intensiv
36. reproof strikeCoins & Currency
    A reproof strike refers to a coin that has been struck again after an initial die or planchet was found to have a significant error, flaw, or imperfection. These are not simply re-minted coins; they are often struck usin
37. reproof varietyCoins & Currency
    A reproof variety refers to a specific minting error or intentional alteration that occurred during the production run of a coin, often after the initial design was finalized. These variations are not standard issues and
38. reverse strikeCoins & Currency
    This refers to a coin where the design elements are imprinted on the back side, or reverse, of the coin, rather than the intended obverse side. In numismatics, the orientation of the strike is crucial for authentication
39. rimCoins & Currency
    The raised edge surrounding a coin is known as the rim. It is a crucial physical characteristic that defines the coin's edge and can significantly impact its appeal to collectors. A well-defined, sharp rim is generally p
40. rim damageCoins & Currency
    This refers to any physical imperfection or wear along the outer edge, or rim, of a coin. It can include nicks, dings, scratches, or unevenness. For collectors, the rim is a critical area because it is often less polishe
41. rim varietyCoins & Currency
    A rim variety refers to a specific, often subtle, difference in the edge or outer border of a coin compared to the standard mint issue. These variations can include changes in the thickness, the presence or absence of a
42. rolled edgeCoins & Currency
    This refers to a specific manufacturing characteristic of a coin where the edge has been intentionally shaped or "rolled" during the minting process. Not all coins have this feature, and its presence or absence can be a
43. rolled edge varietyCoins & Currency
    This refers to a specific manufacturing anomaly where the edge of a coin has been struck or finished in a non-standard, rolled, or uneven manner, rather than the intended smooth or reeded design. For collectors, this is
44. sampleCoins & Currency
    A sample coin refers to a specimen or proof piece produced by a mint, often not intended for general circulation or mass retail. These pieces are typically struck in limited quantities, sometimes for promotional purposes
45. scarceCoins & Currency
    This describes a coin that is infrequently found in the current market or in circulated collections. Scarcity is a primary driver of collectible value; if few examples exist, demand from serious collectors can drive pric
46. security threadCoins & Currency
    This refers to the embedded, often microscopic, security features found on certain modern coins, typically involving fine lines or patterns that are difficult to replicate perfectly. For collectors and resellers, the pre
47. seigniorageCoins & Currency
    This term refers to the profit made by a government by issuing currency. Essentially, it is the difference between the face value of a coin or banknote and the actual cost of producing it. For collectors and resellers, u
48. serial number rangeCoins & Currency
    This refers to a specific sequence of numbers printed on a coin, indicating a block or range of production. For collectors, the exact serial number is often as important as the coin's grade, as certain numbers or ranges
49. serial number sequenceCoins & Currency
    This refers to the specific order in which a series of coins were minted, often visible on the coin itself. For collectors, the sequence is crucial because certain numbers or patterns within the sequence can indicate rar
50. serial number varietyCoins & Currency
    This refers to a specific, often rare, sequence of numbers stamped on a coin that deviates from the standard production run. Collectors and resellers actively hunt for these variations because they indicate a specific mi
51. setCoins & Currency
    A collection of related coins, often grouped by theme, denomination, year, or mint mark. These groupings can range from a single year's complete issue to a thematic set like all coins featuring a specific historical figu
52. short dateCoins & Currency
    A short date refers to a coin that was struck in a year that is numerically smaller than the standard or expected date for that particular coin type, often due to minting errors or specific production runs. For collector
53. silverCoins & Currency
    This refers to the elemental metal composition of a coin, indicating that it contains a significant percentage of silver. For collectors and resellers, the purity of the silver—often expressed as a fineness percentage (e
54. silver coinCoins & Currency
    This refers to any numismatic item predominantly composed of silver, which can range from modern circulating currency to rare historical pieces. The purity of the silver, often expressed as a fineness percentage (e.g., .
55. silver proofCoins & Currency
    A silver proof refers to a specific type of coin struck using a highly polished die and often a specially prepared, mirror-like metal surface. These coins are produced for collectors and are characterized by extremely hi
56. slab appraisalCoins & Currency
    This refers to the process where a coin is professionally graded and encapsulated in a tamper-evident holder, often called a slab, by a recognized third-party grading service like PCGS or NGC. The appraisal is the offici
57. slab caseCoins & Currency
    A slab case is a protective, tamper-evident holder, usually made of hard plastic, used by professional grading services like PCGS or NGC. When a coin is encapsulated in one of these cases, it signifies that a third-party
58. slab certificationCoins & Currency
    This process involves having a professional third-party grading service, such as PCGS or NGC, examine and encapsulate a coin in a tamper-evident holder. The service assigns a numerical grade reflecting the coin's conditi
59. slab characteristicCoins & Currency
    This refers to the specific features, condition, and presentation of a coin housed within a professional grading service's protective holder, often called a slab. When a coin is graded, the slab serves as third-party aut
60. slab classificationCoins & Currency
    This refers to the grading and encapsulation process where a third-party service, like PCGS or NGC, assigns a numerical grade to a coin and seals it in a tamper-evident holder, known as a slab. The grade reflects the coi