| Sold | Grade | Monthly Average |
| Oct 2011 | CGC 5.5 | $24.25 |
| Jan 2021 | 4.5 | $72.00 |
| Mar 2019 | 3.5 | $48.00 |
| Jun 2016 | 3.5 | $25.01 |
| Jul 2015 | 3.0 | $16.55 |
| May 2015 | 2.5 | $29.00 |
| Jan 2021 | 2.0 | $46.00 |
| May 2018 | 2.0 | $23.00 |
| Jan 2016 | 2.0 | $22.00 |
| Nov 2009 | 2.0 | $16.63 |
| Aug 2021 | 1.8 | $32.00 |
| Mar 2019 | 1.0 | $11.88 |