| Sold | Grade | Monthly Average |
| May 2026 | 6.0 | $2.65 |
| Mar 2026 | 6.0 | $2.65 |
| Jun 2020 | 9.4 | $2.00 |
| May 2020 | 9.4 | $2.00 |
| Mar 2020 | 9.4 | $2.00 |
| Dec 2019 | 9.4 | $2.00 |
| Oct 2019 | 9.4 | $0.29 |
| Sep 2019 | 9.4 | $2.00 |
| Aug 2019 | 9.4 | $2.00 |
| Jul 2019 | 9.4 | $2.00 |
| Jun 2019 | 9.4 | $2.00 |
| May 2019 | 9.4 | $0.13 |