| Sold | Grade | Monthly Average |
| Dec 2021 | 8.0 | $16.00 |
| May 2021 | 7.5 | $33.00 |
| Jun 2022 | 6.5 | $24.00 |
| Jul 2010 | 6.5 | $14.25 |
| Mar 2023 | 6.0 | $23.00 |
| Jun 2011 | 6.0 | $14.75 |
| May 2011 | 6.0 | $14.75 |
| May 2011 | 6.0 | $14.75 |
| Feb 2008 | 6.0 | $12.00 |
| Oct 2021 | 5.0 | $21.50 |
| Aug 2015 | 4.5 | $11.00 |
| Aug 2020 | 2.5 | $10.50 |
| Aug 2018 | 2.5 | $6.60 |
| Sep 2021 | 2.0 | $8.80 |
| Feb 2017 | 2.0 | $2.00 |
| Apr 2018 | 1.0 | $3.00 |