| Sold | Grade | Monthly Average |
| Nov 2012 | 3.0 | $15.50 |
| Jan 2022 | 2.0 | $10.45 |
| Nov 2021 | 2.0 | $16.00 |
| Sep 2017 | 2.0 | $11.00 |
| Apr 2016 | 2.0 | $11.00 |
| Apr 2018 | 1.8 | $10.00 |
| Jun 2017 | 1.8 | $10.00 |
| May 2019 | 1.5 | $8.26 |
| Mar 2014 | 1.5 | $8.49 |
| Jan 2024 | 1.0 | $5.89 |
| Nov 2022 | 1.0 | $6.20 |
| Jun 2014 | 1.0 | $6.45 |