| Sold | Grade | Monthly Average |
| Feb 2026 | 6.5 | $9.70 |
| Jul 2020 | 9.4 | $3.08 |
| Mar 2014 | 9.4 | $7.00 |
| Feb 2014 | 9.4 | $7.00 |
| May 2017 | 8.0 | $5.50 |
| Mar 2017 | 8.0 | $4.45 |
| Jan 2017 | 8.0 | $11.50 |
| Oct 2015 | 8.0 | $9.12 |
| Apr 2014 | 8.0 | $5.60 |
| Sep 2015 | 6.5 | $7.80 |
| May 2017 | 6.0 | $3.30 |
| Apr 2017 | 6.0 | $3.15 |
| Feb 2017 | 6.0 | $6.00 |