| Sold | Grade | Monthly Average |
| Apr 2024 | 5.5 | $5.40 |
| Oct 2021 | CGC 9.6 | $83.00 |
| Oct 2013 | CGC 9.6 | $41.50 |
| Jan 2018 | 6.0 | $9.60 |
| Jan 2020 | 4.0 | $5.00 |
| Oct 2017 | 4.0 | $2.50 |
| Mar 2017 | 3.5 | $2.40 |
| Oct 2017 | 3.0 | $1.95 |
| Feb 2014 | 3.0 | $1.20 |
| Feb 2014 | 2.5 | $1.10 |
| Aug 2013 | 2.5 | $1.10 |
| Mar 2014 | 2.0 | $2.49 |
| Dec 2010 | 2.0 | $1.30 |
| Aug 2014 | 1.0 | $1.14 |
| Jul 2012 | 1.0 | $1.35 |