| Sold | Grade | Monthly Average |
| Jul 2025 | 3.0 | $49.00 |
| Sep 2025 | 0.5 | $22.00 |
| Sep 2014 | 4.5 | $43.50 |
| Sep 2013 | 3.0 | $29.50 |
| Feb 2024 | 2.5 | $37.00 |
| Oct 2011 | 2.5 | $25.00 |
| Aug 2019 | 2.0 | $59.00 |
| Mar 2018 | 2.0 | $30.01 |
| Jun 2017 | 2.0 | $29.00 |
| Nov 2022 | 1.8 | $21.60 |
| May 2016 | 1.8 | $35.00 |
| Oct 2023 | 1.5 | $7.00 |
| Aug 2022 | 0.5 | $15.50 |
| Feb 2015 | 0.5 | $7.65 |