| Sold | Grade | Monthly Average |
| Oct 2023 | 3.5 | $27.00 |
| Sep 2022 | 4.0 | $25.00 |
| Nov 2014 | 4.0 | $19.00 |
| Apr 2015 | 3.5 | $17.00 |
| Aug 2023 | 3.0 | $30.00 |
| Sep 2015 | 3.0 | $14.44 |
| May 2015 | 2.5 | $8.30 |
| Jun 2021 | 2.0 | $18.05 |
| Aug 2020 | 1.8 | $16.00 |
| Dec 2016 | 1.8 | $21.00 |
| Mar 2015 | 1.8 | $12.00 |
| Oct 2020 | 1.5 | $15.50 |
| Jul 2015 | 1.5 | $2.51 |
| Aug 2021 | 1.0 | $10.50 |
| Jul 2019 | 1.0 | $23.00 |
| Oct 2016 | 1.0 | $6.00 |
| Aug 2011 | 0.5 | $8.00 |
| Jan 2020 | 0.3 | $2.20 |