| Sold | Grade | Monthly Average |
| Sep 2025 | 3.0 | $34.00 |
| Sep 2022 | 4.0 | $33.00 |
| Feb 2012 | 4.0 | $59.00 |
| Mar 2023 | 3.5 | $16.00 |
| Feb 2025 | 3.0 | $38.00 |
| Apr 2023 | 3.0 | $14.00 |
| May 2023 | 2.5 | $14.00 |
| Apr 2022 | 2.5 | $19.00 |
| May 2024 | 2.0 | $30.00 |
| Sep 2022 | 2.0 | $13.50 |
| Apr 2023 | 1.5 | $15.50 |
| Mar 2019 | 1.5 | $19.00 |
| Nov 2018 | 1.5 | $16.00 |
| Jul 2019 | 0.5 | $9.90 |
| Mar 2015 | 0.5 | $10.35 |
| Feb 2014 | 0.5 | $10.35 |