| Sold | Grade | Monthly Average |
| Oct 2022 | 5.5 | $42.00 |
| Jul 2023 | 4.5 | $47.00 |
| Mar 2024 | 4.0 | $14.00 |
| Dec 2012 | 4.0 | $18.05 |
| Jun 2012 | 4.0 | $18.05 |
| Feb 2023 | 3.5 | $11.00 |
| Oct 2022 | 3.5 | $16.00 |
| Mar 2023 | 3.0 | $9.80 |
| Jun 2013 | 3.0 | $11.00 |
| Jun 2018 | 2.5 | $8.40 |
| Dec 2016 | 2.5 | $8.40 |
| Jul 2020 | 2.0 | $7.00 |
| Apr 2015 | 2.0 | $8.00 |
| Aug 2020 | 1.8 | $5.60 |