| Sold | Grade | Monthly Average |
| Apr 2024 | 5.5 | $26.00 |
| Nov 2017 | 9.4 | $16.00 |
| Sep 2010 | 9.2 | $70.00 |
| Jun 2017 | 9.0 | $16.50 |
| Mar 2022 | 8.5 | $41.00 |
| Feb 2015 | 8.5 | $21.00 |
| Jul 2022 | 8.0 | $36.00 |
| Nov 2017 | 7.5 | $19.58 |
| Mar 2022 | 7.0 | $36.00 |
| Aug 2022 | 6.5 | $32.00 |
| Jan 2014 | 6.5 | $16.25 |
| Feb 2017 | 6.0 | $14.95 |
| May 2023 | 5.5 | $39.00 |
| Apr 2022 | 5.0 | $17.00 |
| May 2018 | 5.0 | $16.00 |