| Sold | Grade | Monthly Average |
| Feb 2026 | 3.5 | $12.50 |
| Sep 2020 | 5.0 | $18.75 |
| Jul 2015 | 4.0 | $14.00 |
| Mar 2025 | 3.5 | $36.00 |
| Mar 2024 | 3.0 | $10.99 |
| Nov 2022 | 3.0 | $10.99 |
| Jun 2021 | 3.0 | $15.00 |
| Jul 2020 | 3.0 | $6.49 |
| Dec 2019 | 3.0 | $6.49 |
| Dec 2009 | 3.0 | $9.80 |
| May 2019 | 2.5 | $6.49 |
| Aug 2011 | 2.5 | $10.00 |
| Jul 2018 | 2.0 | $7.80 |
| Nov 2009 | 1.5 | $4.90 |
| May 2022 | 1.0 | $3.90 |
| Sep 2024 | 0.5 | $2.50 |