| Sold | Grade | Monthly Average |
| May 2026 | 2.0 | $23.00 |
| Jan 2022 | 4.5 | $27.00 |
| Apr 2022 | 4.0 | $28.00 |
| Nov 2021 | 4.0 | $28.00 |
| Aug 2025 | 3.5 | $24.00 |
| Dec 2022 | 3.0 | $8.40 |
| Jul 2015 | 3.0 | $16.44 |
| May 2011 | 3.0 | $28.00 |
| Dec 2016 | 2.5 | $16.20 |
| Apr 2024 | 2.0 | $10.50 |
| Jan 2023 | 2.0 | $10.50 |
| Oct 2022 | 2.0 | $12.49 |
| May 2013 | 2.0 | $21.75 |
| Dec 2021 | 1.8 | $12.00 |
| Aug 2015 | 1.8 | $16.25 |
| Mar 2018 | 1.5 | $7.50 |
| Sep 2016 | 0.3 | $1.30 |