| Sold | Grade | Monthly Average |
| Dec 2025 | 4.0 | $29.00 |
| Nov 2025 | 3.0 | $74.00 |
| Aug 2012 | 5.0 | $60.00 |
| May 2020 | 4.5 | $86.00 |
| Jul 2025 | 4.0 | $39.00 |
| Aug 2024 | 3.5 | $44.00 |
| May 2022 | 3.0 | $33.00 |
| May 2021 | 3.0 | $29.00 |
| Feb 2024 | 2.5 | $33.00 |
| Jun 2015 | 2.5 | $11.50 |
| Dec 2023 | 2.0 | $13.00 |
| Dec 2021 | 2.0 | $26.00 |
| Aug 2015 | 1.5 | $5.52 |
| Jul 2025 | 1.0 | $14.00 |
| Dec 2018 | 1.0 | $20.50 |
| Nov 2017 | 1.0 | $11.50 |
| Dec 2016 | 1.0 | $13.07 |
| Aug 2012 | 1.0 | $14.25 |
| Jul 2019 | 0.5 | $9.50 |
| Aug 2015 | 0.5 | $9.05 |