| Sold | Grade | Monthly Average |
| Apr 2026 | 4.0 | $6.00 |
| Dec 2025 | 3.5 | $4.00 |
| Apr 2012 | 9.4 | $13.00 |
| Aug 2010 | 6.0 | $8.55 |
| Mar 2021 | 4.5 | $6.60 |
| Oct 2022 | 4.0 | $6.00 |
| Aug 2021 | 4.0 | $6.00 |
| Feb 2017 | 4.0 | $10.50 |
| Sep 2023 | 2.5 | $2.66 |
| Nov 2021 | 2.5 | $2.80 |
| Dec 2024 | 2.0 | $2.50 |
| Jan 2015 | 2.0 | $2.70 |