| 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 | 89,072 | $469,914,918 |
| 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 | 1,274 | 180,761 | $174,821,037 |
| Ding Fong | 1 | 141 | $885,415 |
| Doyle | 1 | 105 | $1,707,060 |
| Early American Coppers, Inc. | 1 | 62 | $244,640 |
| eBay | 401 | 3,427,563 | $691,118,575 |
| Goldberg Auctioneers | 90 | 91,630 | $372,093,005 |
| Great Collections | 202 | 164,346 | $55,846,586 |
| Harmer Rooke | 2 | 5 | $22,935 |
| Heritage Auctions | 2,503 | 2,247,483 | $4,807,249,740 |
| Holabird-Kagin Americana | 1 | 198 | $861,739 |
| Kagin's | 10 | 4,170 | $17,045,916 |
| Kingswood Galleries | 34 | 4,427 | $15,911,921 |
| Legend Rare Coin Auctions | 92 | 26,796 | $230,042,159 |
| Lyn Knight | 2 | 231 | $1,172,020 |
| 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 | 999 | $3,882,273 |
| R.M. Smythe | 15 | 1,547 | $5,255,599 |
| RARCOA | 6 | 919 | $11,099,695 |
| Ron Gillio | 1 | 43 | $193,579 |
| Scotsman | 44 | 16,125 | $40,420,233 |
| Sheridan Downey | 16 | 1,395 | $3,903,475 |
| Sotheby's | 26 | 1,930 | $38,313,637 |
| 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 | 60,945 | $423,615,907 |
| Stack's Bowers | 257 | 325,082 | $1,207,186,737 |
| Stack's/ANR | 4 | 2,474 | $15,347,641 |
| Superior Galleries | 103 | 39,322 | $248,093,156 |
| Unspecified | 1 | 5 | $5,556 |