| Sold | Grade | Monthly Average |
| Sep 2025 | 9.4 | $160.00 |
| May 2015 | 9.4 | $99.99 |
| Apr 2011 | 9.4 | $79.00 |
| Mar 2011 | 9.4 | $79.00 |
| Feb 2011 | 9.4 | $79.00 |
| Jan 2011 | 9.4 | $79.99 |
| Jun 2018 | 9.2 | $745.00 |
| Sep 2018 | 8.0 | $535.00 |
| Dec 2017 | 8.0 | $515.00 |
| May 2012 | 6.0 | $59.00 |
| Jan 2020 | 4.0 | $60.00 |