| Sold | Grade | Monthly Average |
| Feb 2016 | 5.5 | $36.00 |
| Aug 2012 | 4.0 | $50.00 |
| Jun 2012 | 4.0 | $30.00 |
| Dec 2021 | 2.5 | $27.00 |
| Jan 2019 | 2.5 | $29.00 |
| Jun 2025 | 2.0 | $35.00 |
| Jan 2024 | 2.0 | $27.00 |
| Sep 2022 | 2.0 | $26.60 |
| Aug 2017 | 2.0 | $16.15 |
| Apr 2014 | 2.0 | $30.60 |
| Nov 2015 | 1.8 | $13.75 |
| Mar 2015 | 1.8 | $20.00 |
| Jan 2017 | 1.5 | $18.75 |
| Sep 2013 | 1.5 | $17.25 |
| Nov 2019 | 1.0 | $12.60 |