| Sold | Grade | Monthly Average |
| Mar 2023 | 9.4 | $4.70 |
| Sep 2022 | 9.4 | $4.00 |
| Oct 2021 | 9.4 | $4.00 |
| Oct 2017 | 9.4 | $2.70 |
| May 2017 | 9.4 | $4.60 |
| Apr 2016 | 9.4 | $4.00 |
| Sep 2015 | 9.4 | $4.30 |
| Aug 2015 | 9.4 | $4.00 |
| May 2015 | 9.4 | $3.99 |
| May 2015 | 9.4 | $3.99 |
| Feb 2015 | 9.4 | $3.99 |
| Nov 2014 | 9.4 | $3.99 |
| Sep 2018 | 8.0 | $3.50 |
| Jan 2015 | 8.0 | $3.10 |
| Nov 2021 | 6.0 | $2.40 |
| Mar 2023 | 4.0 | $2.50 |