| Sold | Grade | Monthly Average |
| Mar 2026 | 4.0 | $28.00 |
| Jun 2026 | 3.0 | $18.00 |
| Jan 2026 | 3.0 | $19.00 |
| Jan 2026 | 2.0 | $13.50 |
| Feb 2026 | 1.0 | $5.80 |
| Jul 2022 | 5.0 | $23.00 |
| Jul 2020 | 4.0 | $41.00 |
| Sep 2024 | 3.5 | $37.00 |
| Dec 2021 | 3.0 | $29.00 |
| Jun 2024 | 2.5 | $25.00 |
| May 2025 | 2.0 | $16.00 |
| Mar 2024 | 2.0 | $20.50 |
| Mar 2020 | 2.0 | $20.50 |
| Nov 2019 | 2.0 | $18.45 |
| Jul 2018 | 1.0 | $13.50 |
| Dec 2017 | 0.5 | $6.80 |