| Sold | Grade | Monthly Average |
| Sep 2023 | 8.0 | $9.00 |
| Oct 2023 | 4.0 | $3.80 |
| Oct 2020 | 8.5 | $13.00 |
| Mar 2023 | 7.5 | $8.80 |
| Jul 2018 | 6.5 | $8.00 |
| Jan 2015 | 6.5 | $7.20 |
| Jun 2022 | 6.0 | $6.00 |
| Jul 2021 | 4.0 | $3.20 |
| Jun 2021 | 4.0 | $3.20 |
| Mar 2019 | 4.0 | $4.40 |
| Apr 2021 | 3.0 | $2.40 |
| Mar 2020 | 2.5 | $1.90 |
| Sep 2022 | 2.0 | $2.00 |
| Nov 2012 | 1.8 | $2.00 |