| Sold | Grade | Monthly Average |
| Sep 2024 | 8.0 | $38.00 |
| Dec 2017 | 9.4 | $70.00 |
| Sep 2014 | 9.4 | $49.95 |
| Nov 2012 | 9.4 | $27.09 |
| May 2012 | 9.4 | $22.50 |
| Jan 2012 | 9.4 | $25.00 |
| Apr 2018 | 8.0 | $48.00 |
| May 2013 | 8.0 | $36.00 |
| Mar 2011 | 8.0 | $16.00 |
| Feb 2014 | 6.0 | $30.00 |
| Oct 2021 | 4.0 | $40.00 |
| Jan 2018 | 4.0 | $24.00 |
| Jul 2018 | 2.0 | $11.99 |