| Sold | Grade | Monthly Average |
| Jun 2024 | 4.0 | $53.00 |
| Apr 2010 | 8.0 | $1.60 |
| Oct 2013 | 6.5 | $13.00 |
| Apr 2010 | 6.5 | $1.49 |
| Feb 2020 | 6.0 | $12.00 |
| Nov 2014 | 6.0 | $12.00 |
| Mar 2017 | 5.0 | $14.00 |
| Jul 2019 | 4.5 | $39.00 |
| Sep 2019 | 4.0 | $8.75 |
| May 2018 | 4.0 | $8.00 |
| Sep 2015 | 4.0 | $8.65 |
| Jul 2023 | 3.5 | $63.00 |
| Dec 2017 | 3.0 | $6.50 |
| Mar 2023 | 2.0 | $28.00 |
| Jan 2023 | 2.0 | $40.00 |
| Sep 2020 | 2.0 | $4.00 |
| Nov 2018 | 2.0 | $3.80 |
| Mar 2013 | 1.8 | $1.10 |
| Jul 2022 | 1.0 | $20.00 |