| Sold | Grade | Monthly Average |
| Dec 2025 | 2.5 | $17.00 |
| Jan 2021 | 6.0 | $146.00 |
| Mar 2024 | 3.5 | $61.00 |
| Apr 2017 | 3.5 | $20.52 |
| Aug 2021 | 3.0 | $39.00 |
| Mar 2021 | 2.5 | $33.25 |
| Dec 2018 | 2.5 | $20.50 |
| Sep 2023 | 2.0 | $27.00 |
| Dec 2015 | 2.0 | $11.16 |
| Feb 2015 | 2.0 | $21.00 |
| Jul 2018 | 1.8 | $24.23 |
| Jun 2012 | 1.8 | $20.50 |