| Sold | Grade | Monthly Average |
| Jan 2016 | 9.4 | $4.10 |
| Dec 2015 | 9.4 | $4.00 |
| Oct 2015 | 9.4 | $4.07 |
| Sep 2015 | 9.4 | $3.99 |
| Aug 2015 | 9.4 | $4.15 |
| Jul 2015 | 9.4 | $3.99 |
| Jun 2015 | 9.4 | $3.99 |
| Apr 2015 | 9.4 | $3.99 |
| Mar 2023 | 9.2 | $31.00 |
| Feb 2025 | 8.5 | $23.00 |
| Mar 2025 | 8.0 | $16.00 |
| Jan 2019 | 8.0 | $5.20 |
| Mar 2017 | 8.0 | $2.60 |
| Aug 2016 | 8.0 | $2.55 |
| Jul 2016 | 8.0 | $2.10 |
| Jun 2016 | 8.0 | $1.80 |
| May 2020 | 7.0 | $7.75 |
| Apr 2024 | 6.0 | $15.00 |
| Sep 2016 | 6.0 | $2.20 |