| Sold | Grade | Monthly Average |
| Oct 2022 | 4.5 | $68.40 |
| Jan 2019 | 4.5 | $126.00 |
| Apr 2021 | 4.0 | $61.00 |
| Jan 2021 | 4.0 | $125.00 |
| Apr 2014 | 3.5 | $52.00 |
| Jun 2011 | 2.0 | $33.00 |
| Sep 2016 | 1.8 | $28.50 |
| Sep 2025 | 1.5 | $27.50 |
| May 2017 | 1.5 | $33.00 |
| Mar 2017 | 1.5 | $23.75 |
| Mar 2015 | 1.5 | $27.00 |
| Oct 2013 | 1.5 | $28.00 |
| Sep 2015 | 1.0 | $19.15 |
| Jul 2013 | 1.0 | $19.00 |
| Jan 2018 | 0.5 | $9.70 |
| Dec 2016 | 0.5 | $8.70 |