| Sold | Grade | Monthly Average |
| Mar 2026 | 2.5 | $5.00 |
| Apr 2025 | 6.0 | $23.00 |
| Mar 2025 | 6.0 | $14.00 |
| Feb 2025 | 5.5 | $16.50 |
| Jun 2025 | 4.5 | $9.60 |
| Dec 2025 | 4.0 | $9.60 |
| Nov 2025 | 4.0 | $7.30 |
| Oct 2025 | 4.0 | $8.40 |
| Jul 2025 | 4.0 | $8.00 |
| Jun 2024 | 4.0 | $28.00 |
| Feb 2019 | 4.0 | $15.00 |
| Jan 2025 | 2.0 | $4.20 |
| Nov 2024 | 2.0 | $5.00 |
| Sep 2023 | 2.0 | $17.00 |
| May 2021 | 2.0 | $21.00 |
| Nov 2012 | 2.0 | $9.00 |
| Aug 2025 | 1.0 | $2.65 |
| Feb 2024 | 0.5 | $8.00 |
| Dec 2018 | 0.5 | $1.70 |