| Sold | Grade | Monthly Average |
| Dec 2023 | 6.0 | $4.49 |
| Jul 2023 | 9.4 | $5.49 |
| Aug 2022 | 9.4 | $4.70 |
| Dec 2020 | 9.4 | $4.80 |
| Jul 2016 | 9.4 | $3.99 |
| Jun 2016 | 9.4 | $3.99 |
| Apr 2016 | 9.4 | $3.99 |
| Mar 2016 | 9.4 | $3.99 |
| Jan 2023 | 8.0 | $3.80 |
| May 2022 | 8.0 | $2.47 |
| Mar 2021 | 8.0 | $3.40 |
| Jul 2020 | 8.0 | $2.99 |
| Nov 2019 | 8.0 | $3.20 |
| May 2019 | 8.0 | $2.28 |
| May 2017 | 8.0 | $3.80 |
| Apr 2022 | 6.0 | $3.60 |
| Oct 2021 | 6.0 | $3.60 |
| May 2020 | 6.0 | $3.10 |
| Nov 2019 | 6.0 | $2.08 |
| May 2019 | 6.0 | $1.80 |