| Sold | Grade | Monthly Average |
| Feb 2012 | 9.4 | $5.00 |
| Jan 2012 | 9.4 | $5.00 |
| Oct 2011 | 9.4 | $6.00 |
| Oct 2011 | 9.2 | $5.00 |
| Jan 2014 | 8.5 | $37.00 |
| Oct 2013 | 8.5 | $8.49 |
| Jul 2024 | 8.0 | $79.95 |
| Jun 2021 | 8.0 | $8.00 |
| Oct 2016 | 8.0 | $7.60 |
| Jun 2012 | 8.0 | $4.00 |
| Jan 2012 | 8.0 | $4.00 |
| Jan 2020 | 7.5 | $7.49 |
| Jun 2021 | 6.0 | $6.00 |
| Aug 2017 | 6.0 | $6.00 |
| Nov 2016 | 6.0 | $6.00 |
| Jan 2017 | 5.5 | $62.00 |
| Sep 2016 | 5.5 | $5.49 |
| Dec 2017 | 5.0 | $5.00 |