| Sold | Grade | Monthly Average |
| Nov 2015 | 7.0 | $24.99 |
| Dec 2020 | 6.5 | $25.00 |
| Jan 2019 | 6.5 | $16.15 |
| Oct 2017 | 6.0 | $16.20 |
| Aug 2023 | 4.5 | $11.50 |
| Jun 2018 | 4.5 | $10.00 |
| Nov 2017 | 4.5 | $10.00 |
| Sep 2016 | 4.5 | $10.00 |
| Jul 2022 | 4.0 | $15.00 |
| May 2022 | 4.0 | $14.50 |
| May 2018 | 4.0 | $9.00 |
| Mar 2019 | 3.5 | $15.75 |
| Apr 2022 | 2.0 | $9.00 |
| Apr 2021 | 2.0 | $9.00 |
| Dec 2020 | 1.0 | $4.49 |