Collector & Reseller Glossary

What the jargon actually means — and what it does to resale value. 3,211 terms across 12 categories.

152 terms starting with “M” · page 1 of 3

1. m.o.c.Toys
   Mint on Card refers to a collectible item, typically a toy or trading card, that is in pristine, unused condition and remains sealed within its original packaging. This grading is the highest possible state for packaged
2. magnetic cardTrading Cards
   This refers to trading cards that have a magnetic backing or are designed to adhere to magnetic surfaces, often used for display or storage. While not a standard grading or rarity term, the presence of magnetic elements
3. mail orderReselling
   This term refers to the practice of purchasing goods directly from a supplier or manufacturer without visiting a physical retail store. In the context of reselling, it often implies sourcing inventory through catalogs, o
4. mainspringWatches
   The mainspring is essentially the power source within a mechanical watch. It is a coiled strip of metal that stores the energy provided by winding the crown. When released, this stored energy drives the gear train, which
5. major eventComics
   A major event refers to a significant, often storyline-altering, crossover or narrative arc within a comic book universe. These events are usually tied to high-profile, large-scale storylines that impact multiple charact
6. major varietyCoins & Currency
   This term refers to a significant and recognizable difference in the design, minting, or composition of a coin compared to the standard issue. These variations are not minor flaws but rather intentional or accidental dev
7. mana costTrading Cards
   This term originates from collectible card games, particularly Magic: The Gathering, and refers to the resources required to play a specific card. It dictates the cost in the game's currency, usually represented by color
8. mana curveTrading Cards
   This concept, borrowed from collectible card games, refers to the distribution of card costs or power levels within a set or collection. Instead of having a random mix, a well-designed set will have a balanced curve, mea
9. manualVideo Games
   This refers to the physical instruction booklet or guide that originally came with a video game. For collectors, the manual is a crucial piece of the overall package, often considered part of the complete-in-box presenta
10. manual includedVideo Games
    This simply means the original instruction booklet or guide that came with the video game is part of the item being sold. For collectors and resellers, the presence of the manual is a significant factor in determining th
11. manual onlyVideo Games
    This describes a video game item where the physical game cartridge or disc is missing, and the only accompanying documentation available is the instruction manual. For collectors and resellers, this significantly impacts
12. manual windWatches
    This describes a watch movement that requires the owner to physically turn a crown or winding stem to store the necessary energy in the mainspring. Unlike automatic watches, which use the wearer's motion to power the mov
13. manufacturerTrading Cards
    This refers to the company or entity that originally produced the trading card set. Identifying the manufacturer is crucial because it establishes the card's provenance and the specific era or brand it belongs to. For co
14. manufacturer variantVideo Games
    This refers to subtle differences in a product, such as a video game, that are produced by the same company but feature distinct characteristics. These variations can include different packaging designs, regional artwork
15. markersWatches
    In the context of watches, markers refer to the indices or markings applied to the watch dial that indicate the hours and sometimes minutes. These can be applied as applied batons, printed numerals, or applied dots, and
16. market ceilingSneakers
    This refers to the highest sustainable price point that a specific, highly sought-after sneaker model is likely to achieve in the secondary resale market. It represents the upper boundary of demand, where even the most e
17. market floorSneakers
    This refers to the lowest price at which a specific item, like a pair of sneakers, is consistently selling in the current market. It represents the baseline value, the absolute minimum you can expect to get for the item
18. market fluctuationComics
    This refers to the unpredictable ups and downs in the pricing of comic books over time. Like any collectible market, demand can surge due to a major movie tie-in, a character resurgence, or a collector trend, causing pri
19. market researchReselling
    This involves systematically gathering and analyzing information about the current state of the resale market for specific items. It includes tracking what similar goods are selling for, identifying popular trends, and u
20. market saturationComics
    This describes a situation where the supply of a particular comic book, or a specific type of comic, significantly outweighs the current demand from buyers. When a market becomes saturated, there are too many copies avai
21. market trendTrading Cards
    This refers to the general direction in which the demand and pricing for a specific type of trading card or collectible is moving over time. It can be an upward trend, indicating increasing desirability and potential pro
22. market trendsReselling
    This refers to the current direction and momentum of demand for specific types of goods within the resale market. It encompasses what buyers are actively seeking, how quickly items are selling, and whether prices are gen
23. market valueTrading Cards
    This refers to the current, real-world price at which a specific trading card is likely to sell in the secondary market. It's not just the price someone is asking for it; rather, it's an informed estimate based on recent
24. market volatilityComics
    This refers to the rapid and unpredictable fluctuations in the buying and selling prices of comic books. Just like any collectible market, the value of a specific issue can surge dramatically in a short period or plummet
25. marketplaceSneakers
    A marketplace refers to any online platform or physical location where buyers and sellers meet to exchange goods, such as sneaker resale websites, social media groups, or specialized conventions. For resellers and collec
26. marketplace feesReselling
    These are the commissions or charges levied by online platforms, such as eBay, Etsy, or Amazon, when you successfully sell an item through their system. They are typically calculated as a percentage of the final sale pri
27. marvel value stampComics
    This refers to a specific, often unofficial, marking or notation used within the comic book collecting community to indicate a perceived or established value for a particular Marvel title. It is not an official grading o
28. master copyVideo Games
    A master copy refers to the original, pristine version of a video game, often meaning the first pressing, a factory-sealed copy, or a version with the highest possible level of authenticity and completeness. For collecto
29. master discVinyl & Music
    A master disc is the original, high-fidelity recording from which all commercial pressings of a vinyl record are manufactured. It represents the purest sonic version of the music intended for release. For collectors and
30. master lacquerVinyl & Music
    This term refers to the initial, high-fidelity recording made onto a lacquer disc, which serves as the master source for creating vinyl pressings. It is the direct analog capture of the audio, representing the highest po
31. master tapeVinyl & Music
    This refers to the original, highest-fidelity recording of an audio work, before it has been converted into a final product like a vinyl record. For collectors and serious resellers, the existence and provenance of the m
32. masteringVinyl & Music
    This refers to the final audio engineering process applied to a recording before it is cut to vinyl. Mastering involves optimizing the sound's overall balance, dynamics, and frequency response to ensure it translates wel
33. mastering engineerVinyl & Music
    This is the audio professional responsible for the final sonic polish of a recording before it is pressed onto vinyl. They take the mixed tracks and apply specific equalization, dynamics processing, and mastering techniq
34. mastering lacquerVinyl & Music
    Mastering lacquer is the initial, specialized analog recording medium capturing the final, polished audio signal before vinyl pressing plates are created, making it a key artifact for high-end audio collectors.
35. mastering processVinyl & Music
    This refers to the final audio engineering steps applied to a recording before it is cut to vinyl. It involves optimizing the sound for the physical medium, ensuring the dynamic range, frequency balance, and overall soni
36. mastering sourceVinyl & Music
    This refers to the original, highest-quality audio master recording used to create the vinyl pressing. It is the definitive version of the music before any mastering or mastering-related compromises were made for mass pr
37. material compositionSneakers
    This refers to the specific breakdown of what a sneaker is made from, such as leather, canvas, rubber, mesh, or synthetic materials. For resellers and collectors, this detail is crucial because the material dictates the
38. matrix cutVinyl & Music
    This refers to the specific identifying code etched or stamped into the run-out groove area of a vinyl record, usually near the center label. It is a unique identifier assigned by the mastering engineer or pressing plant
39. matrix etchVinyl & Music
    This refers to the unique identifying codes pressed into the run-out groove, the smooth area between the final song and the label, on a vinyl record. These etchings often include the catalog number, pressing plant inform
40. matrix etchingsVinyl & Music
    These are the fine, engraved markings found in the run-out groove area of a vinyl record, typically near the label. They consist of alphanumeric codes that identify the specific pressing, mastering engineer, or pressing
41. matrix identificationVinyl & Music
    This refers to the specific alphanumeric codes etched or stamped into the runout groove, the smooth area between the final song and the label on a vinyl record. These markings, often including a catalog number and pressi
42. matrix matchingVinyl & Music
    This refers to the practice of ensuring that the runout groove etchings, or matrix numbers, on both sides of a vinyl record match or are consistent across a pressing. For collectors, this is a crucial indicator of a spec
43. matrix numberVinyl & Music
    This alphanumeric code, often found etched into the run-out groove near the center label of a vinyl record, is a unique identifier for a specific pressing of a record. It helps collectors and resellers pinpoint the exact
44. matrix stampersVinyl & Music
    These are the specific codes etched into the run-out groove, the smooth area between the final song and the label on a vinyl record. They are essentially identifiers used by the mastering engineer and pressing plant to t
45. matrix variationVinyl & Music
    This refers to the specific identifying codes etched or stamped into the run-out groove area of a vinyl record, usually near the label. These codes, often including numbers and letters, indicate the mastering engineer, t
46. matte finishTrading Cards
    This refers to a non-glossy surface treatment applied to trading cards, offering a more subdued and tactile feel compared to the standard shiny, glossy finish. Collectors often prefer matte cards because they resist fing
47. media conditionVinyl & Music
    This refers to the overall physical state of the vinyl record, encompassing both the disc itself and often the sleeve. It's a comprehensive assessment that goes beyond just noting scratches; it covers warping, groove wea
48. melt valueCoins & Currency
    This refers to the intrinsic metal value of a coin, calculated based on the current market price of the precious metal it contains, such as gold or silver. It represents the raw material worth of the coin, ignoring any n
49. memorabilia cardTrading Cards
    A memorabilia card is a trading card enhanced by a tangible, authenticated piece of significant material related to the subject, such as an autograph or game-used item, significantly boosting its value.
50. meshSneakers
    This refers to the woven, net-like material often used in the upper construction of athletic footwear. It's a common feature in modern sneakers, providing breathability and a lightweight feel, which are highly desirable
51. metaTrading Cards
    In the context of trading cards, "meta" refers to the current prevailing strategy or dominant card pool within a specific game or collecting community. It describes what cards are currently considered the most powerful,
52. meta gameTrading Cards
    This term refers to the prevailing strategies, popular card combinations, and dominant playstyles within a specific trading card game at any given time. It's not about a single card, but rather the overarching meta-narra
53. metal contentCoins & Currency
    This refers to the actual precious or base metal composition of the coin, such as gold, silver, copper, or nickel. For collectors and resellers, the metal content is arguably the most critical factor determining intrinsi
54. metallicTrading Cards
    This describes a card featuring a foil, holographic, or otherwise reflective finish applied to the surface. It's a visual characteristic that significantly impacts desirability within the collecting community. Metallic f
55. micro dropSneakers
    This refers to a specific design characteristic in footwear where the difference in height between the heel and the forefoot is minimal. Instead of a pronounced heel lift, the sole maintains a relatively flat profile thr
56. mid gradeComics
    This grading designation refers to comic books that exhibit noticeable wear and tear but remain fundamentally sound. Mid grade comics typically show signs of handling, such as minor spine stress, slight corner dings, or
57. mid profileSneakers
    This refers to a shoe design where the ankle collar sits somewhere between a low-top and a high-top. It offers more support around the ankle than a standard low-cut sneaker but maintains a sleeker, less bulky silhouette
58. mid topSneakers
    This refers to a style of athletic shoe that extends above the ankle, falling somewhere between a low-cut shoe and a full high-top. The mid-cut design offers a balance of support and freedom of movement, which is a key a
59. mid-grade conditionComics
    This grading designation refers to a comic book that is generally in good, but not pristine, shape. It means the book has visible signs of wear consistent with normal handling and age, such as minor spine stress, slight
60. mid-seasonSneakers
    This term refers to items, like sneakers, that are being sold or acquired during the middle period of a typical sales cycle or fashion season, rather than at the beginning (launch) or the end (clearance). For collectors