| Sold | Grade | Monthly Average |
| Aug 2022 | 8.0 | $22.00 |
| Jan 2018 | 8.0 | $17.00 |
| Aug 2017 | 8.0 | $14.40 |
| Jul 2014 | 8.0 | $21.60 |
| Jan 2014 | 8.0 | $21.60 |
| Jul 2010 | 8.0 | $22.50 |
| Sep 2022 | 6.5 | $23.00 |
| Sep 2022 | 6.0 | $18.75 |
| Nov 2021 | 5.5 | $12.60 |
| Feb 2016 | 5.0 | $5.70 |
| May 2024 | 4.0 | $15.50 |
| Oct 2023 | 4.0 | $12.50 |
| Mar 2021 | 4.0 | $15.00 |
| Apr 2022 | 2.5 | $6.20 |
| Sep 2025 | 2.0 | $6.20 |
| Nov 2019 | 1.5 | $7.56 |
| Apr 2018 | 1.0 | $2.60 |