| Acronym/Abbreviation |
Meaning(s) Meanings Help ? |
| ABA |
- American Basketball Association (sports, Sports Cards/sports, Basketball Cards/sports, Fan Apparel and Souvenirs/sports, Basketball/collectibles, Autographs/collectibles, Sports Autographs)
|
| ADS |
- Autograph Document, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Sports Autographs)
|
| AES |
- Autographed Endorsement, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)

- Advanced Entertainment System (video games, Systems - Neo Geo)
|
| ALCS |
- American League Championship Series (sports, Fan Apparel and Souvenirs/sports, Baseball/sports, Vintage Sports Memorabilia/collectibles, Autographs/collectibles, Sports Autographs)
|
| ALS |
- [Autographed/A] Letter Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)

- Automatic Locking System ™ (sports, Hunting/sports, Holsters - holsters)

- American Legend Series (sports, Hunting/sports, Gun Models - Pachmayr, a brand by Lyman - see www.lymanproducts.com)

|
| AM |
- Actionmaster (toys, Action Figures/toys, Transformers)
- Action Man (toys, GI Joe/toys, Joe Figures)
- Autographed Manuscript (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs - see also AMS)

- Adult Medium (clothing, Sizes)
- Adventure Module (video games, Miscellaneous)
- Amplitude Modulation (consumer electronics, Radios)
- All Mountain (sports, Cycling)
- Almost Mint (other, General Grades)
|
| AMDS |
- Autographed Musical Document, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMQ |
- Autographed Musical Quotation (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMQS |
- Autographed Musical Quotation, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMS |
- American Model Supply (toys, Trains/toys, Suppliers and Manufacturers - a division of Accucraft, see www.accucraft.com)
- Autographed Manuscript (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs - usually seen as 'AMs')

- Autographed Manuscript, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs - see also AMsS)

|
| AMsS |
- Autographed Manuscript, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMuDS |
- Autographed Musical Document, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMuQ |
- Autographed Musical Quotation (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| AMuQS |
- Autographed Musical Quotation, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|
| ANS |
- [Autographed/A] Note, Signed (collectibles, Autographs/collectibles, Sports Autographs/collectibles, Entertainment Autographs/collectibles, Other Autographs)
|