| Sold | Grade | Monthly Average |
| Feb 2024 | 2.0 | $2.50 |
| Nov 2022 | 6.0 | $6.00 |
| Mar 2022 | 6.0 | $6.00 |
| Jan 2014 | 4.5 | $1.35 |
| Jan 2024 | 4.0 | $3.20 |
| Feb 2022 | 4.0 | $2.00 |
| May 2021 | 4.0 | $2.00 |
| Mar 2020 | 4.0 | $1.90 |
| Jun 2011 | 4.0 | $1.20 |
| Jun 2022 | 3.0 | $2.00 |
| Sep 2022 | 2.0 | $2.00 |
| Aug 2022 | 2.0 | $2.00 |
| Oct 2017 | 1.8 | $1.70 |