Collector & Reseller Glossary

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

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

1. modern eraTrading Cards
   This term refers to trading cards produced in the contemporary period, typically encompassing sets released from the late 1990s up to the present day. It contrasts with vintage cards, which generally predate the 1990s. F
2. modern era cardTrading Cards
   This refers to trading cards produced within the last few decades, distinguishing them from vintage or classic sets. The "modern era" is a broad category, but generally encompasses cards from the late 1980s onward, depen
3. modern pressingVinyl & Music
   This refers to a vinyl record manufactured relatively recently, as opposed to an original pressing from the time the music was first released. Modern pressings are often produced by contemporary pressing plants using mod
4. modern setTrading Cards
   This refers to a trading card set released relatively recently, typically within the last few years, as opposed to vintage or older releases. Modern sets are the current or recent offerings from a specific manufacturer,
5. modern trading cardTrading Cards
   This refers to any trading card produced within the last few decades, contrasting with vintage cards from earlier eras. Modern cards are part of ongoing, active collecting markets, meaning new sets are constantly release
6. modern watchWatches
   This term generally refers to timepieces designed and manufactured in recent decades, contrasting with vintage or antique models. It encompasses contemporary styles, modern movements, and current design aesthetics favore
7. modern-retroVideo Games
   This term describes video games that blend aesthetics or gameplay elements from older, classic eras with modern technology or design sensibilities. It’s not strictly about age; rather, it’s a stylistic choice, often seen
8. modifiedVideo Games
   This term refers to any alteration made to a video game, which can range from software modifications like ROM hacks or modding to physical changes to the console or cartridge itself. For collectors, the term is highly am
9. mold qualityToys
   This refers to the precision and fidelity of the original manufacturing mold used to create the toy. High mold quality indicates that the toy was produced using superior tooling, resulting in sharp details, clean lines,
10. mold variationToys
    This refers to subtle, often unintentional differences in the manufacturing process of a toy, such as slight variations in paint application, plastic molding seams, or minor color shifts between production runs. Collecto
11. monoVinyl & Music
    This refers to a recording that was mixed and mastered in a single channel, as opposed to stereo, which uses two distinct channels (left and right). Mono recordings offer a raw, direct sound experience that many audiophi
12. mono mixVinyl & Music
    This refers to a recording that was mixed and mastered in a single-channel format, as opposed to a stereo recording which uses two distinct channels (left and right). Mono mixes often have a more direct, raw, and immedia
13. mono pressingVinyl & Music
    A mono pressing refers to a vinyl record cut and mastered in a single-channel, or monophonic, format. Unlike stereo recordings, which use separate left and right channels to create a spatial soundstage, mono mixes blend
14. moonphaseWatches
    This feature indicates that a watch displays the current phase of the moon, usually through a rotating disc or a dedicated complication on the dial. It's a highly sought-after element in horology, often found in dress wa
15. mountCoins & Currency
    This term refers to the physical mounting or presentation of a coin, often seen when coins are displayed in specialized holders, slabs, or albums. It describes how the coin is secured or framed for viewing, which is cruc
16. movement caliberWatches
    This refers to the specific internal mechanism or engine of a mechanical watch. It is the collection of gears, springs, and components that makes the watch run, whether it's automatic, manual wind, or quartz. The caliber
17. movement conditionWatches
    This refers to the operational state and physical integrity of the watch's internal mechanism, or movement. It assesses how well the gears, escapement, and other components are functioning, whether they require servicing
18. movement originalityWatches
    This refers to the authenticity and provenance of the internal mechanism, or movement, within a timepiece. For collectors and resellers, the originality of the movement is paramount because it directly verifies the watch
19. movement overhaulWatches
    A movement overhaul is a comprehensive internal servicing of a mechanical watch. It involves disassembling the movement, cleaning all components, replacing worn parts like gaskets and lubricants, and reassembling it to f
20. movement serviceWatches
    This refers to the complete maintenance and servicing of a watch's internal mechanism, or movement. It typically involves disassembling the watch, cleaning all components, lubricating pivots and gears with specialized oi
21. movement service recordWatches
    This document provides a chronological history of maintenance and repairs performed on a timepiece's internal mechanism. It details when servicing occurred, which authorized technicians performed the work, and what speci
22. movement typeWatches
    This refers to the internal mechanism that powers a timepiece, determining how it keeps time. Movements are broadly categorized as mechanical (hand-wound or automatic) or quartz (battery-powered). The type of movement is
23. MRPToys
    Maximum Retail Price refers to the highest price a product is legally allowed to be sold for by a retailer. For collectors and resellers, this figure is often listed on the original packaging and serves as a baseline ref
24. MS gradeCoins & Currency
    This designation refers to a Mint State grade, indicating that the coin is in an uncirculated condition, meaning it has never been used as currency. MS coins retain the luster and sharp details as if they just left the m
25. MS-65Coins & Currency
    This grading designation, MS-65, stands for Mint State 65. It is a professional grading standard used to assess the condition of a coin, indicating that the coin is virtually flawless, displaying sharp details, full lust
26. MTG cardTrading Cards
    This refers to a Magic: The Gathering trading card, a collectible card game that involves strategic deck building and gameplay. These cards are highly sought after by collectors and players alike, as their value is deter
27. mudguardSneakers
    This refers to the protective rubber or synthetic material that wraps around the toe box and sides of a sneaker, often seen on retro or rugged styles. Its primary function is to shield the upper material from dirt, scuff
28. multi-listingReselling
    This practice involves creating several separate listings for the exact same item across different online marketplaces or even within the same platform. Sellers do this to maximize visibility, ensuring that potential buy
29. multi-packReselling
    A multi-pack refers to a single listing or purchase that contains several individual items of the same or related type. For resellers, this is a significant opportunity because it allows for bulk purchasing, which can le
30. museum qualityComics
    This designation refers to a comic book that has been preserved to an exceptionally high standard, often matching or exceeding the condition of items displayed in professional archives or museums. It implies near-perfect
31. mystery boxToys
    A mystery box is a sealed package containing items of unknown contents, often curated around a specific theme or collection. For resellers and collectors, these are exciting because they introduce an element of chance an
32. mythic rareTrading Cards
    This designation refers to the highest tier of rarity within a trading card set, signifying that the card is extremely scarce and highly sought after by collectors. In the world of collectibles, rarity directly correlate