| Sold | Grade | Monthly Average |
| Apr 2024 | 4.0 | $96.00 |
| Nov 2023 | 3.0 | $19.00 |
| Jan 2024 | 2.0 | $28.00 |
| Jan 2023 | 4.0 | $128.00 |
| Apr 2021 | 3.0 | $25.50 |
| May 2019 | 3.0 | $21.00 |
| Feb 2019 | 2.0 | $17.00 |
| Apr 2016 | 2.0 | $29.00 |
| Aug 2014 | 2.0 | $13.85 |
| Sep 2022 | 1.0 | $12.00 |
| Jul 2014 | 1.0 | $7.20 |
| Jul 2020 | 0.5 | $3.80 |
| Sep 2018 | 0.5 | $4.80 |