| Sold | Grade | Monthly Average |
| Aug 2008 | 6.0 | $129.00 |
| Jul 2011 | 4.5 | $50.00 |
| Aug 2012 | PGX 4.0 | $39.53 |
| Jul 2012 | 3.5 | $24.00 |
| Jun 2012 | 3.5 | $32.60 |
| Feb 2012 | 3.5 | $35.00 |
| Oct 2010 | CGC 3.5 | $47.50 |
| Nov 2012 | 3.0 | $27.75 |
| Sep 2012 | 3.0 | $20.50 |
| Jun 2012 | 3.0 | $19.50 |
| Sep 2012 | 2.5 | $10.00 |
| Apr 2012 | 2.5 | $26.00 |
| Dec 2012 | 2.0 | $17.77 |
| May 2010 | 2.0 | $47.00 |
| May 2009 | 2.0 | $40.00 |
| Dec 2008 | 2.0 | $40.00 |
| Mar 2013 | 1.0 | $5.47 |
| Jan 2013 | 1.0 | $11.40 |
| Dec 2009 | 1.0 | $29.00 |
| Mar 2009 | 1.0 | $19.75 |
| Mar 2013 | 0.5 | $3.60 |