| Sold | Grade | Monthly Average |
| Aug 2025 | 9.4 | $54.99 |
| Jul 2025 | 9.4 | $68.00 |
| Jun 2025 | 9.4 | $54.99 |
| Mar 2025 | 9.4 | $110.00 |
| Oct 2018 | 9.4 | $59.95 |
| Jul 2013 | 9.4 | $54.99 |
| May 2011 | 9.4 | $40.00 |
| Feb 2011 | 9.4 | $36.00 |
| Nov 2009 | 9.4 | $31.50 |
| Aug 2009 | 9.4 | $36.00 |
| Jul 2009 | 9.4 | $40.00 |
| Apr 2007 | 9.4 | $40.00 |
| Jul 2014 | 9.0 | $56.00 |
| Feb 2021 | 8.0 | $89.00 |
| Jul 2017 | 8.0 | $58.00 |
| Aug 2014 | 8.0 | $44.00 |
| Aug 2023 | 6.0 | $55.00 |
| Jan 2019 | 6.0 | $69.00 |
| Dec 2017 | 6.0 | $44.00 |
| Mar 2014 | 6.0 | $33.00 |
| Jan 2024 | 4.0 | $53.00 |