| Sold | Grade | Monthly Average |
| Sep 2013 | 9.4 | $8.95 |
| Aug 2013 | 9.4 | $8.95 |
| Jul 2013 | 9.4 | $8.95 |
| Aug 2020 | 8.0 | $12.00 |
| Mar 2018 | 8.0 | $4.80 |
| Jun 2014 | 8.0 | $4.10 |
| Apr 2014 | 8.0 | $4.00 |
| Mar 2014 | 8.0 | $4.00 |
| Feb 2014 | 8.0 | $7.20 |
| Jan 2014 | 8.0 | $7.38 |
| Nov 2013 | 8.0 | $7.20 |
| Sep 2013 | 8.0 | $7.20 |
| Jun 2021 | 7.0 | $10.50 |
| Aug 2024 | 6.0 | $150.00 |
| May 2018 | 6.0 | $3.60 |