| Sold | Grade | Monthly Average |
| Aug 2026 | 6.5 | $19.00 |
| Dec 2024 | 8.0 | $40.05 |
| Dec 2020 | 7.5 | $69.00 |
| Aug 2024 | 6.5 | $39.00 |
| Mar 2023 | 6.0 | $36.00 |
| Mar 2019 | 6.0 | $15.25 |
| Aug 2015 | 6.0 | $7.98 |
| Dec 2025 | 5.5 | $23.00 |
| Oct 2021 | 5.5 | $13.75 |
| Nov 2024 | 5.0 | $12.00 |
| Feb 2025 | 4.5 | $11.00 |
| Nov 2020 | 4.5 | $44.95 |
| Jun 2016 | 4.5 | $23.00 |
| Jan 2025 | 4.0 | $9.50 |
| Mar 2025 | 3.5 | $13.00 |