| Sold | Grade | Monthly Average |
| Apr 2019 | 9.4 | $6.50 |
| Mar 2018 | 9.4 | $6.00 |
| Mar 2017 | 9.4 | $9.50 |
| Aug 2016 | 9.4 | $12.25 |
| Dec 2015 | 9.0 | $10.75 |
| Nov 2015 | 9.0 | $10.75 |
| Oct 2015 | 9.0 | $10.75 |
| Apr 2016 | 8.5 | $6.48 |
| Oct 2015 | 8.5 | $10.00 |
| Nov 2024 | 8.0 | $8.00 |
| Sep 2020 | 8.0 | $4.00 |
| Jul 2020 | 8.0 | $4.00 |
| Apr 2019 | 8.0 | $5.03 |
| Apr 2019 | 7.5 | $4.90 |
| Feb 2022 | 6.0 | $5.00 |
| Oct 2020 | 6.0 | $3.00 |
| Oct 2019 | 6.0 | $3.60 |