| Sold | Grade | Monthly Average |
| Jan 2024 | 1.8 | $76.00 |
| Sep 2016 | 6.0 | $310.00 |
| Sep 2022 | 3.5 | $165.00 |
| Oct 2021 | 3.5 | $171.00 |
| Jan 2019 | 3.5 | $122.00 |
| Jan 2015 | 3.5 | $117.00 |
| Feb 2019 | 3.0 | $91.00 |
| Oct 2018 | 3.0 | $72.00 |
| Jul 2019 | 2.0 | $72.00 |
| Sep 2021 | 1.5 | $80.75 |
| Oct 2013 | 1.5 | $24.70 |
| Sep 2018 | 1.0 | $52.00 |
| Dec 2013 | 1.0 | $16.51 |