| Auction Firm | Auction Sales | Total Lots | Total Value |
|---|---|---|---|
| A. H. Baldwin & Sons Ltd | 2 | 445 | $3,187,245 |
| Akers, Stack's, RARCOA, Superior | 2 | 737 | $7,365,147 |
| American Numismatic Rarities | 25 | 17,176 | $146,841,865 |
| B. Max Mehl | 1 | 2,354 | $63,022 |
| Beijing ChengXuan Auctions Co., Ltd | 2 | 433 | $1,737,080 |
| Beijing Poly Auctions Co., LTD | 1 | 25 | $27,910 |
| Bonham's | 23 | 3,230 | $22,579,053 |
| Bonhams & Butterfields | 6 | 839 | $3,340,378 |
| Bowers & Merena | 158 | 89,074 | $469,922,623 |
| Bowers & Ruddy | 6 | 2,774 | $37,034,980 |
| Butterfield, Johnson, & Gillio | 6 | 318 | $1,047,930 |
| Champion | 5 | 582 | $4,754,321 |
| China Guardian Auctions Co., LTD | 1 | 36 | $180,288 |
| Christie's | 12 | 362 | $2,413,939 |
| Clark & Gruber | 1 | 18 | $291,580 |
| Coin Galleries | 65 | 1,667 | $2,787,467 |
| Coinhunter | 2 | 103 | $4,643,953 |
| David Akers | 5 | 2,522 | $32,085,978 |
| David Lawrence RC | 1,161 | 150,280 | $140,010,758 |
| Ding Fong | 1 | 141 | $885,415 |
| Doyle | 1 | 105 | $1,707,060 |
| Early American Coppers, Inc. | 1 | 63 | $246,180 |
| eBay | 266 | 2,176,195 | $454,704,656 |
| Goldberg Auctioneers | 83 | 86,898 | $363,279,372 |
| Great Collections | 202 | 164,404 | $55,886,167 |
| Harmer Rooke | 2 | 5 | $22,935 |
| Heritage Auctions | 2,081 | 2,061,116 | $4,075,862,491 |
| Holabird-Kagin Americana | 1 | 198 | $861,739 |
| Kagin's | 8 | 3,554 | $13,961,411 |
| Kingswood Galleries | 34 | 4,427 | $15,911,921 |
| Legend Rare Coin Auctions | 69 | 19,771 | $167,064,971 |
| Lyn Knight | 2 | 232 | $1,230,770 |
| MARCA | 6 | 819 | $3,765,037 |
| McCawley & Grellman | 1 | 99 | $271,535 |
| McCawley-Yancey | 1 | 72 | $139,565 |
| ML Coin Auctions | 1 | 164 | $491,740 |
| Morton & Eden Ltd | 1 | 11 | $532,819 |
| Numismatic Gallery | 5 | 2,233 | $54,450 |
| Paramount | 1 | 1 | $467,500 |
| Ponterio & Assoc. | 5 | 1,003 | $3,892,371 |
| R.M. Smythe | 15 | 1,548 | $5,256,589 |
| RARCOA | 6 | 919 | $11,099,695 |
| Ron Gillio | 1 | 43 | $193,579 |
| Scotsman | 39 | 13,326 | $32,283,085 |
| Sheridan Downey | 11 | 916 | $2,428,825 |
| Sotheby's | 25 | 1,929 | $19,441,387 |
| Sothebys/Stack's | 2 | 468 | $14,871,727 |
| Spink America | 16 | 712 | $7,328,355 |
| Spink/Smythe | 1 | 40 | $1,083,129 |
| Stack's | 180 | 60,949 | $424,313,377 |
| Stack's Bowers | 200 | 217,938 | $810,189,919 |
| Stack's/ANR | 4 | 2,474 | $15,347,641 |
| Superior Galleries | 103 | 39,323 | $248,101,493 |
| Unspecified | 1 | 5 | $5,556 |