| Sold | Grade | Monthly Average |
| May 2026 | 0.5 | $4.60 |
| Jul 2012 | 4.5 | $27.00 |
| Sep 2015 | 4.0 | $27.00 |
| Jun 2022 | 3.5 | $33.00 |
| Jul 2021 | 3.0 | $19.50 |
| Feb 2021 | 3.0 | $16.75 |
| Sep 2016 | 2.5 | $18.00 |
| Dec 2021 | 2.0 | $15.00 |
| Aug 2017 | 2.0 | $15.00 |
| Jul 2012 | 2.0 | $16.05 |
| Oct 2011 | 2.0 | $3.75 |
| Apr 2023 | 1.0 | $6.74 |
| Jan 2022 | 1.0 | $7.49 |
| Apr 2021 | 1.0 | $7.49 |
| Nov 2012 | 0.5 | $4.95 |