| Sold | Grade | Monthly Average |
| Apr 2026 | 2.0 | $18.00 |
| Apr 2026 | 1.8 | $16.00 |
| Jan 2018 | 8.0 | $554.00 |
| Aug 2024 | 4.5 | $74.00 |
| Oct 2021 | 4.0 | $45.00 |
| Jan 2024 | 3.5 | $24.00 |
| Dec 2022 | 3.5 | $29.50 |
| Sep 2019 | 3.5 | $59.00 |
| Jun 2017 | 3.5 | $31.01 |
| Sep 2023 | 2.5 | $36.00 |
| Jan 2022 | 2.5 | $63.00 |
| Apr 2018 | 2.5 | $26.00 |
| Aug 2015 | 2.5 | $23.75 |
| Jul 2022 | 2.0 | $17.50 |
| Nov 2021 | 2.0 | $43.20 |
| Jul 2019 | 2.0 | $22.00 |
| Sep 2012 | 2.0 | $14.73 |
| Dec 2024 | 1.8 | $13.50 |
| Dec 2019 | 1.8 | $21.38 |
| Nov 2016 | 1.5 | $11.88 |
| Apr 2021 | 0.5 | $4.60 |