| Auction House | Location | Results |
|---|---|---|
| Arthouse | Lagos | 0 |
| Artesegno | Udine | 0 |
| Artemis | Melbourne | 0 |
| Arte Mercato | Jesolo | 0 |
| Arte Media | San Marino | 0 |
| Arte Galeria Es Auk… | Budapest | 0 |
| Art Valorem | Paris | 0 |
| Art Bank | Tokyo | 0 |
| Art Alliance Auctio… | Port Coquitlam | 0 |
| Art + Object | Auckland | 0 |
| Arnold | Frankfurt Am Main | 0 |
| Arcimboldo | Prague | 0 |
| Arce | Barcelona | 0 |
| Arcadia Amiens | Amiens | 0 |
| Appolo | Bilbao | 0 |
| Apollo | Helsinki | 0 |
| Antykwariat Wu-el | Szczecin | 0 |
| Antykwariat Wojtowi… | Kraków | 0 |
| Antonina | Rome | 0 |
| Antonija | Riga | 0 |
| Antiquorum | Geneva | 0 |
| Antique Helper | Indianapolis | 0 |
| Anticthermal | Nancy | 0 |
| Anteo Subastas | San Sebastian | 0 |
| Ansorena | Madrid | 0 |