| Sold | Grade | Monthly Average |
| Dec 2025 | 3.5 | $37.00 |
| Feb 2015 | 5.0 | $36.00 |
| Mar 2021 | 4.5 | $64.00 |
| Dec 2020 | 4.5 | $64.00 |
| Apr 2011 | 4.5 | $59.00 |
| Apr 2011 | 4.5 | $59.00 |
| May 2019 | 3.5 | $57.00 |
| Sep 2013 | 3.5 | $32.88 |
| Jun 2019 | 3.0 | $41.50 |
| Jul 2012 | 2.5 | $20.00 |
| Aug 2023 | 0.5 | $12.00 |
| Jul 2014 | 0.1 | $4.00 |