| Sold | Grade | Monthly Average |
| Jun 2026 | 6.0 | $40.00 |
| Nov 2011 | 6.5 | $5.70 |
| Sep 2010 | 6.0 | $12.00 |
| Apr 2023 | 4.5 | $49.00 |
| Feb 2023 | 4.0 | $11.00 |
| Feb 2022 | 4.0 | $10.00 |
| Dec 2021 | 4.0 | $10.00 |
| Sep 2018 | 4.0 | $10.00 |
| May 2012 | 4.0 | $2.40 |
| Oct 2010 | 4.0 | $2.40 |
| Oct 2010 | 3.0 | $1.10 |
| Feb 2017 | 2.5 | $3.00 |
| Apr 2015 | 2.5 | $3.00 |
| Aug 2023 | 2.0 | $5.49 |
| Nov 2022 | 2.0 | $5.22 |
| Nov 2020 | 2.0 | $5.00 |
| Dec 2016 | 2.0 | $2.37 |
| Jul 2012 | 2.0 | $1.10 |