| Sold | Grade | Monthly Average |
| May 2017 | 8.0 | $125.00 |
| Aug 2012 | 6.0 | $17.00 |
| Jul 2019 | 5.5 | $93.00 |
| Jul 2022 | 5.0 | $58.00 |
| Feb 2015 | 5.0 | $86.00 |
| Jan 2024 | 4.0 | $80.75 |
| Nov 2014 | 4.0 | $22.49 |
| Feb 2025 | 3.5 | $26.00 |
| Apr 2020 | 3.0 | $90.00 |
| Jan 2023 | 2.5 | $56.05 |
| Jan 2020 | 2.0 | $62.00 |
| Oct 2014 | 1.8 | $39.00 |
| Feb 2018 | 1.0 | $20.00 |