| Sold | Grade | Monthly Average |
| Feb 2026 | 3.0 | $19.00 |
| Sep 2012 | 4.5 | $38.25 |
| Oct 2014 | 4.0 | $38.40 |
| Nov 2024 | 3.5 | $32.00 |
| Apr 2022 | 3.5 | $29.00 |
| Feb 2022 | 3.5 | $29.00 |
| Jun 2021 | 2.0 | $20.00 |
| Apr 2021 | 2.0 | $20.00 |
| Oct 2020 | 2.0 | $23.00 |
| Aug 2018 | 2.0 | $20.00 |
| Feb 2025 | 1.8 | $17.50 |
| Jul 2024 | 1.8 | $15.50 |