| Sold | Grade | Monthly Average |
| Sep 2026 | 3.5 | $20.00 |
| Sep 2026 | 2.0 | $13.50 |
| Nov 2011 | 8.0 | $53.40 |
| Aug 2020 | 5.0 | $29.50 |
| Nov 2021 | 4.0 | $26.60 |
| Sep 2019 | 4.0 | $24.50 |
| Dec 2024 | 3.5 | $25.00 |
| Sep 2021 | 3.0 | $19.00 |
| Sep 2025 | 2.5 | $19.00 |
| Jul 2012 | 2.0 | $17.45 |
| Feb 2024 | 1.8 | $12.25 |
| May 2015 | 1.8 | $13.78 |
| Sep 2014 | 1.8 | $14.50 |
| Jun 2018 | 1.5 | $10.75 |