| Sold | Grade | Monthly Average |
| Mar 2014 | 9.4 | $22.50 |
| Jan 2013 | 9.4 | $20.00 |
| Jul 2021 | 8.0 | $55.00 |
| Feb 2018 | 8.0 | $65.00 |
| May 2022 | 6.5 | $71.00 |
| Aug 2023 | 6.0 | $42.00 |
| Jun 2023 | 6.0 | $51.00 |
| May 2023 | 6.0 | $51.00 |
| May 2021 | 6.0 | $42.00 |
| Dec 2019 | 6.0 | $42.00 |
| Nov 2009 | 6.0 | $12.00 |
| Aug 2018 | 4.0 | $28.00 |
| Apr 2014 | 4.0 | $9.65 |