| Sold | Grade | Monthly Average |
| Apr 2026 | 2.5 | $40.00 |
| May 2023 | 6.0 | $38.00 |
| Jan 2025 | 5.0 | $51.00 |
| Sep 2017 | 4.5 | $40.00 |
| Dec 2025 | 4.0 | $60.00 |
| Aug 2019 | 3.5 | $24.00 |
| Sep 2023 | 2.5 | $17.75 |
| Jan 2026 | 2.0 | $19.50 |
| Jul 2022 | 2.0 | $13.00 |
| Nov 2021 | 2.0 | $14.75 |
| Mar 2017 | 2.0 | $5.10 |
| Sep 2012 | 2.0 | $22.50 |
| Aug 2017 | 1.8 | $12.75 |
| Jun 2017 | 1.8 | $7.70 |
| Dec 2018 | 1.5 | $13.00 |
| Nov 2017 | 1.5 | $6.12 |
| Jan 2017 | 1.0 | $4.32 |
| Nov 2014 | 1.0 | $10.35 |
| Apr 2013 | 1.0 | $10.00 |
| Aug 2017 | 0.5 | $2.40 |