| Sold | Grade | Monthly Average |
| Sep 2019 | 4.5 | $44.00 |
| Jan 2019 | 4.0 | $40.00 |
| Jan 2021 | 3.5 | $17.25 |
| Jul 2010 | 3.5 | $35.50 |
| May 2021 | 3.0 | $15.00 |
| Apr 2021 | 3.0 | $15.00 |
| Nov 2020 | 3.0 | $14.00 |
| Jan 2019 | 3.0 | $28.00 |
| Nov 2020 | 2.5 | $12.75 |
| Mar 2017 | 2.5 | $23.51 |
| Mar 2014 | 2.5 | $30.00 |
| Jul 2022 | 2.0 | $10.75 |
| May 2020 | 2.0 | $19.50 |
| Jul 2014 | 1.5 | $21.00 |
| Apr 2019 | 0.5 | $5.80 |
| Jan 2019 | 0.5 | $5.80 |