| Sold | Grade | Monthly Average |
| Dec 2021 | 9.4 | $38.00 |
| Nov 2021 | 9.4 | $29.95 |
| Oct 2021 | 9.4 | $28.95 |
| Apr 2021 | 9.4 | $29.95 |
| Dec 2020 | 9.4 | $29.95 |
| Jun 2020 | 9.4 | $31.95 |
| Apr 2020 | 9.4 | $28.76 |
| Nov 2019 | 9.4 | $25.56 |
| Oct 2019 | 9.4 | $31.95 |
| Sep 2019 | 9.4 | $35.12 |
| Feb 2021 | 8.0 | $21.60 |
| Aug 2022 | 6.0 | $46.00 |
| May 2022 | 6.0 | $42.00 |
| May 2023 | 4.0 | $28.00 |