| Sold | Grade | Monthly Average |
| Aug 2020 | 5.5 | $35.00 |
| Sep 2022 | 4.0 | $18.00 |
| Jan 2021 | 4.0 | $19.00 |
| Apr 2024 | 3.5 | $10.00 |
| Jan 2020 | 3.5 | $7.60 |
| Feb 2015 | 3.5 | $9.90 |
| Dec 2012 | 3.5 | $6.70 |
| Oct 2021 | 3.0 | $13.25 |
| Nov 2017 | 3.0 | $11.00 |
| Mar 2016 | 2.5 | $8.73 |
| Jun 2019 | 1.8 | $6.40 |
| Apr 2016 | 1.8 | $6.00 |
| Nov 2017 | 1.5 | $3.30 |
| Feb 2024 | 0.5 | $2.50 |
| Jan 2023 | 0.5 | $2.50 |