| Acronym/Abbreviation |
Meaning(s) Meanings Help ? |
| ACC |
- Aluminum Carbon Composite (sports, Archery - Easton shafts)
- American Certified Coins (coins, Authentication Services - see www.acccoins.com)

- Air Canada Centre (tickets - Toronto)
- Accessories (other, Miscellaneous)
|
| ACG |
- All Conditions Gear (clothing, Shoes/sports, Athletic Apparel - by Nike)
- Accu-Grade (coins, Authentication Services - see www.asa-accugrade.com)

- American Comics Group (collectibles, Comics)
|
| AE |
- American Eagle (clothing, Brands)

- Allen Edmonds (clothing, Brands)

- Bronze (coins, Miscellaneous)

- Auto Exposure (cameras, Film Based Cameras/cameras, Lenses/cameras, Non Specific)
- Ann Estelle (dolls - Sophie)

- Allied Eastern (dolls)

- Acoustic Electric (music, Instruments/music, Guitars/music, Models and Series - see also AEG)
- Academic Edition (other, Edition Types)
- Archival Edition (other, Edition Types)
- American Express (other, Payment and Shipping - see also AMEX)
|
| AGW |
- Actual Gold Weight (coins, Miscellaneous - the amount of pure gold in a coin or bar)

- American Glass Works (collectibles, Bottles and Glass/pottery and glass)
|
| AG-3 |
- About Good-3 (coins, Grades - very heavily worn with portions of the lettering, date, and legends being worn smooth)
|
| AH |
- Avalon Hill (toys, Games/toys, Board Games/toys, Miniatures and War/toys, Store Chains and Manufacturers)
- Attack Helicopter (toys, Radio Controlled/toys, Planes and Helicopters/collectibles, Militaria/collectibles, Helicopters/collectibles, Transportation/collectibles, Aviation - Apache)
- Ancient Hearts (toys, Trading Card Games/toys, Vampire: The Eternal Struggle)
- Anno Hegirae (coins, Miscellaneous - a date period)

- Anchor Hocking (pottery and glass - a manufacturer)
- Ampere-Hour (home and garden, Tools/other, Units of Measure)
|
| ANA |
- All Nippon Airways (collectibles, Transportation/collectibles, Aviation)
- A New Approach (clothing, Brands - by JCPenney)
- American Numismatic Association (coins, Authentication Services - see www.money.org)

|
| ANACS |
- American Numismatics Association Certification Service (coins, Authentication Services - see www.anacs.com)
|
| ANI |
- American Numismatic Institute (coins, Authentication Services - see www.anicoins.com)
|
| AR |
- Silver (coins, Miscellaneous)

- Acoustic Research (consumer electronics, Home Audio - brand owned by Audiovox, see www.audiovox.com)
- Accelerated Reader (books, Childrens)
- [Airsoft/Automatic/Assualt] Rifle (sports, Airsoft/sports, Gun Models/sports, Hunting/sports, Gun Models)
- Arkansas (other, States/antiques, Maps)
- Action Replay (video games, Miscellaneous)
- Anti-Reflective (clothing, Sunglasses)
|
| ASE |
- American Silver Eagle (coins, Bullion)

- Automotive Service Excellence (motor vehicles, Miscellaneous)
|
| ASW |
- Actual Silver Weight (coins, Miscellaneous)
|
| AU |
- [About/Almost] Uncirculated (coins, Grades/paper money - grades 50, 53, 55, 58)

- Australia (clothing, Sizes/consumer electronics, Gadgets/consumer electronics, Voltage Converters)

- Austria (clothing, Sizes/consumer electronics, Gadgets/consumer electronics, Voltage Converters)

- Autographed (sports, Sports Cards/sports, General Card Types)
- Australian (other, Miscellaneous - an Australian auction)
|
| AU50 |
- [About/Almost] Uncirculated-50 (coins, Grades - traces of wear on nearly all of the highest areas, at least half of the original mint luster is present, see also AU-50)
|
| AU53 |
- [About/Almost] Uncirculated-53 (coins, Grades - full detail with friction over one half or more of surface, very slight flatness on high points, see also AU-53)
|