| Sold | Grade | Monthly Average |
| Apr 2024 | 3.5 | $30.00 |
| Feb 2023 | 7.0 | $80.00 |
| Mar 2016 | 5.5 | $30.00 |
| Feb 2016 | 5.5 | $16.00 |
| Dec 2009 | 4.5 | $9.90 |
| May 2023 | 4.0 | $12.00 |
| Nov 2021 | 4.0 | $49.00 |
| Feb 2021 | 4.0 | $12.00 |
| Jul 2012 | 3.5 | $7.60 |
| Nov 2023 | 3.0 | $9.10 |
| Sep 2018 | 3.0 | $9.10 |
| Nov 2017 | 3.0 | $9.10 |
| Sep 2016 | 3.0 | $9.10 |
| Sep 2011 | 3.0 | $6.70 |
| Jun 2011 | 3.0 | $6.70 |
| Feb 2011 | 3.0 | $6.70 |
| Dec 2017 | 2.5 | $7.80 |
| Apr 2014 | 2.5 | $6.15 |
| May 2021 | 2.0 | $6.17 |
| Dec 2018 | 2.0 | $6.49 |
| Sep 2017 | 2.0 | $6.49 |
| Nov 2012 | 2.0 | $4.56 |