| Sold | Grade | Monthly Average |
| Jul 2024 | 3.5 | $6.70 |
| Dec 2024 | 2.5 | $13.50 |
| Dec 2009 | 7.5 | $42.00 |
| Jan 2020 | 4.5 | $12.25 |
| May 2019 | 4.5 | $12.00 |
| Sep 2014 | 4.5 | $14.96 |
| Dec 2011 | 4.5 | $15.75 |
| Jul 2012 | 3.0 | $10.00 |
| Mar 2020 | 2.5 | $6.70 |
| Nov 2015 | 2.5 | $7.49 |
| Apr 2013 | 2.5 | $9.45 |
| Feb 2023 | 2.0 | $4.20 |
| May 2022 | 2.0 | $4.20 |
| Aug 2018 | 2.0 | $6.30 |
| Jun 2020 | 1.8 | $4.49 |