| Sold | Grade | Monthly Average |
| Feb 2026 | 2.5 | $28.00 |
| May 2025 | 3.5 | $36.00 |
| Mar 2024 | 3.5 | $95.00 |
| Mar 2022 | 3.0 | $26.00 |
| Apr 2014 | 3.0 | $14.45 |
| Jan 2024 | 2.5 | $35.00 |
| May 2023 | 2.5 | $29.50 |
| Aug 2022 | 2.5 | $15.50 |
| Mar 2019 | 2.5 | $29.50 |
| Aug 2017 | 2.5 | $22.00 |
| May 2017 | 2.5 | $15.40 |
| Jul 2015 | 2.5 | $10.01 |
| Mar 2022 | 2.0 | $14.50 |
| Feb 2022 | 2.0 | $15.75 |
| Aug 2019 | 1.5 | $19.75 |
| May 2024 | 1.0 | $13.00 |