| Sold | Grade | Monthly Average |
| Jan 2022 | 8.0 | $205.00 |
| Oct 2019 | 8.0 | $126.00 |
| Oct 2022 | 7.5 | $280.00 |
| Oct 2017 | 6.0 | $54.00 |
| Dec 2023 | 4.5 | $84.00 |
| Jul 2017 | 4.0 | $29.00 |
| Jul 2019 | 3.0 | $35.00 |
| Apr 2023 | 2.5 | $30.00 |
| Nov 2023 | 2.0 | $26.00 |
| Dec 2021 | 2.0 | $20.00 |
| May 2015 | 2.0 | $15.40 |
| Sep 2013 | 2.0 | $11.50 |
| Jul 2014 | 1.8 | $11.25 |
| Sep 2012 | 1.8 | $9.30 |
| Jan 2020 | 1.5 | $10.00 |
| Oct 2017 | 1.5 | $10.00 |
| Feb 2021 | 1.0 | $7.10 |