| Sold | Grade | Monthly Average |
| Nov 2023 | 2.0 | $14.00 |
| Jun 2022 | 4.0 | $38.00 |
| Feb 2022 | 2.0 | $14.00 |
| Jul 2018 | 2.0 | $23.00 |
| Oct 2019 | 1.5 | $18.53 |
| Dec 2018 | 1.5 | $19.50 |
| Feb 2017 | 1.5 | $14.00 |
| Jun 2012 | 1.5 | $12.45 |
| Feb 2010 | 1.0 | $7.98 |
| Apr 2021 | 0.5 | $18.00 |
| Mar 2021 | 0.5 | $7.00 |
| Jul 2020 | 0.5 | $7.00 |