| Sold | Grade | Monthly Average |
| Jul 2020 | 5.5 | $69.00 |
| Aug 2023 | 4.0 | $44.00 |
| Aug 2014 | 3.5 | $7.40 |
| Sep 2014 | 3.0 | $49.95 |
| May 2021 | 2.5 | $29.00 |
| Mar 2020 | 2.5 | $29.50 |
| Mar 2019 | 2.5 | $45.00 |
| Nov 2022 | 2.0 | $18.00 |
| Jul 2015 | 2.0 | $8.00 |
| Sep 2020 | 1.5 | $24.00 |
| Jun 2016 | 1.0 | $2.70 |
| Sep 2012 | 1.0 | $2.00 |