QuattroCoins
| PCGS No. | Item | Denom | Grade | Pop | Pop Higher | Owner's Comments |
| 9752 | 1997-W | $50 | PR69DC | 1443 | 114 | mintage - 15,431. |
| 99767 | 1998-W | $50 | PR69DC | 2193 | 433 | mintage - 13,836. |
| 99775 | 1999-W | $50 | PR69DC | 909 | 193 | mintage - 11,103. |
| 99781 | 2000-W | $50 | PR69DC | 945 | 230 | mintage - 11,049. |
| 99788 | 2001-W | $50 | PR69DC | 749 | 132 | mintage - 8254. |
| 99796 | 2002-W | $50 | PR69DC | 763 | 191 | mintage - 8772. |
| 921102 | 2003-W | $50 | PR69DC | 611 | 146 | mintage - 7131. |
| 921106 | 2004-W | $50 | PR69DC | 471 | 122 | mintage - 5063. |
| 921110 | 2005-W | $50 | PR69DC | 713 | 108 | mintage - 5942. bought on eBay. |
| 921118 | 2006-W | $50 | PR69DC | 734 | 172 | Mintage - 7649. 10th Anniversary.
Bought on eBay. |
| 393054 | 2007-W | $50 | PR70DC | 548 | 0 | Mintage - 5936. Bought from mint. Self-made. |
| 393056 | 2007-W REV PR | $50 | PR70 | 921 | 0 | Bought from mint. Self-made. |
| 393091 | 2008-W | $50 | PR69DC | 86 | 30 | Mintage - 4020. Bought from mint. Self-made. |
