| Sold | Grade | Monthly Average |
| Feb 2013 | 7.0 | $26.40 |
| Dec 2016 | 6.0 | $26.00 |
| Jan 2024 | 4.5 | $17.50 |
| Jun 2016 | 4.5 | $36.00 |
| Jul 2022 | 4.0 | $75.00 |
| Jun 2022 | 4.0 | $15.20 |
| Oct 2021 | 4.0 | $18.50 |
| Oct 2018 | 4.0 | $49.00 |
| Sep 2017 | 4.0 | $11.00 |
| Nov 2014 | 4.0 | $12.50 |
| Jan 2014 | 4.0 | $17.00 |
| Jun 2010 | 2.0 | $7.00 |
| Jul 2019 | 1.8 | $28.00 |