| Sold | Grade | Monthly Average |
| Jan 2021 | 5.0 | $66.00 |
| Sep 2015 | 4.0 | $20.75 |
| Apr 2019 | 3.5 | $33.50 |
| Dec 2021 | 3.0 | $23.50 |
| Mar 2021 | 3.0 | $23.50 |
| Jun 2017 | 3.0 | $18.50 |
| Jul 2022 | 2.5 | $19.75 |
| Aug 2019 | 2.0 | $28.00 |
| Jan 2015 | 2.0 | $10.80 |
| Jun 2018 | 1.8 | $18.76 |
| Jul 2020 | 1.5 | $16.50 |
| Feb 2023 | 1.0 | $8.30 |
| Oct 2012 | 1.0 | $4.30 |