| Sold | Grade | Monthly Average |
| Oct 2014 | 9.8 | $8.00 |
| Aug 2014 | 9.8 | $10.00 |
| Jun 2014 | 9.8 | $21.00 |
| Mar 2014 | 9.8 | $5.99 |
| Dec 2013 | 9.8 | $16.00 |
| Sep 2013 | 9.8 | $11.00 |
| Jan 2014 | 9.6 | $15.00 |
| Nov 2013 | 9.6 | $26.00 |
| Oct 2013 | 9.6 | $20.00 |
| Aug 2013 | 9.6 | $28.00 |
| Feb 2014 | 9.4 | $12.00 |
| Jul 2024 | 8.0 | $2.50 |