| Sold | Grade | Monthly Average |
| Sep 2023 | 3.5 | $5.42 |
| Jan 2024 | 2.0 | $3.42 |
| Sep 2021 | 5.0 | $14.25 |
| Aug 2022 | 4.5 | $13.00 |
| Aug 2016 | 4.0 | $11.50 |
| Oct 2013 | 4.0 | $3.00 |
| Aug 2022 | 3.5 | $5.70 |
| Mar 2022 | 3.0 | $5.00 |
| Jul 2013 | 3.0 | $10.80 |
| May 2013 | 3.0 | $6.40 |
| Feb 2019 | 2.5 | $4.75 |
| Aug 2017 | 2.5 | $2.49 |
| Sep 2014 | 2.0 | $7.55 |
| May 2011 | 2.0 | $8.40 |
| Feb 2010 | 2.0 | $6.98 |
| Aug 2018 | 1.8 | $3.30 |