| NGC 2758738-003 | 1921MO | AU 58 | Unsold | $269.65 | May/2010 | eBay.com |
| NGC 022330-013 | 1921MO | MS 64 | Unsold | $745.67 | Jul/2010 | eBay.com |
| NGC 1523914-013 | 1921MO | AU 55 | Unsold | $103.70 | Mar/2010 | eBay.com |
| NGC 1526467-016 | 1921MO | AU 55 | Unsold | $111.21 | Jan/2010 | eBay.com |
| NGC 1526467-016 | 1921MO | AU 55 | Unsold | $107.16 | Apr/2010 | eBay.com |
| NGC 1526467-016 | 1921MO | AU 55 | Sale | $173.52 | Jun/2010 | eBay.com |
| NGC 1700925-012 | 1921MO | MS 64 | Unsold | $703.86 | Sep/2010 | eBay.com |
| NGC 2309431-008 | 1921MO | MS 63 | Sale | $370.47 | Apr/2010 | Heritage Auction Galleries |
| NGC 022330-013 | 1921MO | MS 64 | Unsold | $716.02 | Feb/2010 | eBay.com |
| NGC 2757953-007 | 1921MO | VF 30 | Sale | $37.98 | Aug/2010 | eBay.com |
| NGC 639435-010 | 1921MO | MS 63 | Sale | $319.37 | Apr/2010 | Heritage Auction Galleries |
| NGC 2759344-006 | 1921MO | AU 50 | Sale | $65.95 | May/2010 | eBay.com |
| NGC 3069884-018 | 1921MO | MS 62 | Unsold | $180.84 | Sep/2010 | eBay.com |
| NGC 3069884-018 | 1921MO | MS 62 | Sale | $225.22 | Sep/2010 | eBay.com |
| NGC 3154062-007 | 1921MO | MS 65 | Sale | $930.70 | Aug/2010 | Heritage Auction Galleries |
| NGC 3171575-010 | 1921MO | MS 62 | Sale | $281.39 | Jan/2010 | Heritage Auction Galleries |
| NGC 3356286-011 | 1921MO | AU 55 | Unsold | $106.13 | Feb/2010 | eBay.com |
| NGC 3356286-011 | 1921MO | AU 55 | Sale | $109.29 | Mar/2010 | eBay.com |
| NGC 3357185-001 | 1921MO | MS 65 | Unsold | $1112.21 | Jan/2010 | eBay.com |
| NGC 2751532-003 | 1921MO | AU 58 | Sale | $108.04 | Mar/2010 | eBay.com |