| Sold | Grade | Monthly Average |
| Dec 2025 | 1.5 | $105.00 |
| Jun 2021 | 4.5 | $299.95 |
| Sep 2017 | 3.0 | $129.00 |
| Dec 2021 | 2.5 | $115.00 |
| Oct 2012 | 2.5 | $82.50 |
| Dec 2024 | 2.0 | $205.00 |
| Oct 2012 | 2.0 | $51.00 |
| Sep 2021 | 1.8 | $108.00 |
| Jul 2020 | 1.8 | $88.00 |
| Jul 2023 | 1.0 | $129.95 |
| Aug 2020 | 1.0 | $57.00 |
| Oct 2015 | 1.0 | $21.00 |
| Jul 2024 | 0.5 | $89.00 |
| Apr 2024 | 0.5 | $56.00 |
| Jun 2020 | 0.5 | $115.00 |
| Sep 2019 | 0.5 | $42.75 |
| May 2020 | 0.3 | $49.99 |