| Sold | Grade | Monthly Average |
| Aug 2017 | CGC 9.8 | $150.00 |
| Dec 2015 | 9.4 | $4.23 |
| Jan 2014 | 9.4 | $11.70 |
| Oct 2013 | 9.4 | $13.10 |
| Sep 2013 | 9.4 | $12.00 |
| Jul 2013 | 9.4 | $13.20 |
| Jun 2013 | 9.4 | $12.00 |
| May 2013 | 9.4 | $11.40 |
| Apr 2013 | 9.4 | $11.40 |
| Aug 2012 | 9.2 | $22.00 |
| Jan 2016 | 9.0 | $4.04 |
| May 2017 | 8.5 | $20.00 |
| May 2014 | 8.5 | $10.00 |
| Oct 2012 | 8.5 | $18.50 |
| Jul 2017 | 8.0 | $12.00 |
| Sep 2016 | 8.0 | $3.96 |
| Jun 2016 | 8.0 | $23.75 |
| Oct 2014 | 8.0 | $10.35 |
| Oct 2014 | 7.5 | $7.00 |
| Apr 2014 | 7.5 | $8.55 |
| Oct 2015 | 6.0 | $7.20 |