| Sold | Grade | Monthly Average |
| Oct 2013 | 4.0 | $24.50 |
| Jan 2016 | 3.5 | $34.00 |
| Jul 2019 | 3.0 | $82.00 |
| Feb 2019 | 3.0 | $44.00 |
| Mar 2019 | 2.5 | $75.00 |
| Jan 2020 | 2.0 | $36.00 |
| Sep 2014 | 2.0 | $39.95 |
| Jun 2020 | 1.8 | $79.00 |
| May 2017 | 1.8 | $20.50 |
| Jun 2016 | 1.8 | $20.50 |
| Sep 2014 | 1.8 | $13.00 |
| Jun 2018 | 1.0 | $25.00 |
| Jan 2023 | 0.5 | $11.00 |