| Sold | Grade | Monthly Average |
| Sep 2024 | 4.0 | $29.00 |
| Dec 2017 | 6.5 | $78.00 |
| Oct 2011 | 6.0 | $26.00 |
| Feb 2022 | 5.5 | $45.00 |
| Nov 2017 | 4.5 | $41.60 |
| Apr 2020 | 4.0 | $48.00 |
| Dec 2023 | 3.5 | $35.00 |
| Mar 2023 | 3.0 | $13.00 |
| Oct 2022 | 3.0 | $38.00 |
| Sep 2016 | 3.0 | $11.01 |
| Sep 2015 | 1.8 | $24.75 |
| Apr 2021 | 1.5 | $18.25 |