| Sold | Grade | Monthly Average |
| Jul 2024 | 4.0 | $78.00 |
| Oct 2024 | 2.0 | $48.00 |
| Sep 2024 | 1.0 | $10.00 |
| May 2024 | 7.0 | $205.00 |
| May 2018 | 5.0 | $18.00 |
| Nov 2014 | 4.0 | $16.00 |
| Aug 2012 | 4.0 | $11.00 |
| Apr 2021 | 3.5 | $13.00 |
| Sep 2018 | 3.0 | $12.25 |
| Apr 2018 | 3.0 | $12.25 |
| Sep 2010 | 2.5 | $7.20 |
| Sep 2020 | 2.0 | $7.00 |
| Sep 2019 | 2.0 | $9.10 |
| Feb 2013 | 2.0 | $6.49 |
| Jan 2013 | 2.0 | $6.49 |
| Nov 2012 | 2.0 | $6.49 |
| Aug 2011 | 2.0 | $6.49 |
| Dec 2011 | 1.8 | $6.00 |
| Dec 2015 | 1.0 | $4.27 |
| Mar 2014 | 1.0 | $3.52 |
| Mar 2022 | 0.5 | $20.00 |
| Jul 2013 | 0.5 | $1.80 |