| Sold | Grade | Monthly Average |
| Jun 2017 | 5.0 | $103.50 |
| Feb 2019 | 4.5 | $103.00 |
| Feb 2015 | 3.5 | $31.00 |
| Nov 2019 | 3.0 | $30.00 |
| Sep 2012 | 3.0 | $25.57 |
| Sep 2022 | 2.0 | $27.00 |
| Jul 2020 | 2.0 | $51.00 |
| Dec 2019 | 2.0 | $52.00 |
| Apr 2023 | 1.8 | $25.00 |
| Apr 2024 | 0.5 | $19.50 |
| Mar 2011 | 0.5 | $13.75 |
| Apr 2010 | 0.5 | $13.75 |