| Sold | Grade | Monthly Average |
| Jun 2018 | 4.5 | $18.00 |
| Jun 2023 | 4.0 | $30.00 |
| Sep 2019 | 3.5 | $24.00 |
| Sep 2019 | 3.0 | $28.00 |
| Jul 2019 | 2.5 | $18.00 |
| Sep 2018 | 2.5 | $22.00 |
| Feb 2013 | 2.5 | $10.65 |
| Aug 2010 | 2.0 | $10.75 |
| Dec 2023 | 1.8 | $12.00 |
| Jul 2024 | 1.5 | $22.00 |
| Nov 2020 | 1.0 | $5.20 |
| Oct 2018 | 0.5 | $3.70 |
| Jan 2016 | 0.5 | $3.00 |