| Sold | Grade | Monthly Average |
| Jun 2025 | 8.0 | $2.70 |
| Feb 2015 | 9.4 | $2.90 |
| Dec 2014 | 9.4 | $2.30 |
| Oct 2014 | 9.4 | $1.70 |
| Aug 2014 | 9.4 | $1.30 |
| Jun 2014 | 9.4 | $1.10 |
| Jul 2013 | 9.4 | $4.00 |
| Dec 2012 | 9.4 | $3.99 |
| Oct 2024 | 8.0 | $2.50 |
| May 2019 | 8.0 | $1.53 |
| Mar 2019 | 8.0 | $1.70 |
| Feb 2018 | 8.0 | $1.70 |
| May 2015 | 8.0 | $1.35 |
| Jun 2014 | 8.0 | $0.90 |
| Jul 2013 | 8.0 | $3.20 |
| May 2013 | 8.0 | $3.50 |
| Mar 2022 | 6.0 | $2.00 |
| Feb 2022 | 6.0 | $2.00 |
| Aug 2020 | 6.0 | $2.00 |