| Sold | Grade | Monthly Average |
| Jan 2011 | 8.0 | $30.00 |
| Dec 2022 | 6.0 | $50.00 |
| Jul 2016 | 6.0 | $21.00 |
| Sep 2022 | 5.0 | $45.00 |
| Jul 2021 | 5.0 | $52.00 |
| Jul 2016 | 5.0 | $23.00 |
| Mar 2016 | 5.0 | $14.25 |
| Jul 2013 | 5.0 | $12.00 |
| Aug 2015 | 4.0 | $13.75 |
| Jun 2023 | 3.5 | $23.50 |
| Sep 2022 | 3.5 | $23.50 |
| Apr 2019 | 3.5 | $18.50 |
| Jan 2015 | 3.0 | $11.35 |
| Sep 2021 | 1.0 | $7.99 |