| Sold | Grade | Monthly Average |
| Apr 2022 | 4.5 | $74.00 |
| Jan 2022 | 3.0 | $59.00 |
| Jan 2021 | 3.0 | $49.00 |
| Apr 2018 | 2.5 | $48.00 |
| Feb 2021 | 2.0 | $27.50 |
| May 2018 | 1.5 | $23.50 |
| Dec 2013 | 1.5 | $19.35 |
| Jan 2020 | 1.0 | $22.00 |
| Jul 2016 | 1.0 | $15.75 |
| Sep 2021 | 0.5 | $12.00 |
| Sep 2018 | 0.5 | $8.20 |
| Mar 2013 | 0.5 | $7.10 |