| Sold | Grade | Monthly Average |
| Sep 2025 | 6.0 | $2.65 |
| Apr 2015 | 9.4 | $3.49 |
| Mar 2015 | 9.4 | $3.49 |
| Feb 2015 | 9.4 | $3.49 |
| Jan 2015 | 9.4 | $3.49 |
| Dec 2014 | 9.4 | $3.50 |
| Nov 2014 | 9.4 | $3.50 |
| Jun 2021 | 8.0 | $3.20 |
| May 2019 | 8.0 | $2.40 |
| Nov 2018 | 8.0 | $2.40 |
| May 2018 | 8.0 | $2.40 |
| Dec 2017 | 8.0 | $2.40 |
| Nov 2016 | 8.0 | $4.80 |
| Dec 2015 | 8.0 | $3.80 |
| Jun 2015 | 8.0 | $2.80 |
| Apr 2015 | 8.0 | $2.80 |
| Apr 2022 | 6.0 | $2.40 |
| Nov 2019 | 6.0 | $2.60 |
| Jun 2016 | 6.0 | $4.40 |
| May 2016 | 6.0 | $3.60 |
| Dec 2015 | 6.0 | $3.00 |