| Sold | Grade | Monthly Average |
| May 2024 | CGC 9.8 | $48.00 |
| May 2013 | 9.4 | $2.70 |
| Jul 2012 | 9.4 | $5.00 |
| Apr 2010 | 9.4 | $0.99 |
| Mar 2010 | 9.4 | $1.10 |
| Apr 2009 | 9.4 | $3.14 |
| Dec 2008 | 9.4 | $3.50 |
| Oct 2008 | 9.4 | $3.50 |
| Aug 2023 | 8.0 | $4.00 |
| Feb 2018 | 8.0 | $2.10 |
| Apr 2015 | 8.0 | $6.00 |
| May 2014 | 8.0 | $3.80 |
| Apr 2012 | 8.0 | $3.80 |
| Jan 2011 | 8.0 | $3.20 |
| Aug 2010 | 8.0 | $1.80 |