| Sold | Grade | Monthly Average |
| Jul 2024 | 0.5 | $36.00 |
| Mar 2022 | 3.5 | $155.00 |
| Oct 2021 | 3.5 | $175.01 |
| Jul 2012 | 3.5 | $105.00 |
| Nov 2017 | 3.0 | $129.00 |
| Oct 2021 | 2.0 | $135.00 |
| Mar 2018 | 2.0 | $49.00 |
| Feb 2019 | 1.8 | $49.00 |
| Jul 2018 | 1.5 | $76.95 |
| Sep 2020 | 0.5 | $16.00 |
| Mar 2016 | 0.5 | $38.00 |