| Sold | Grade | Monthly Average |
| Dec 2013 | CGC 9.6 | $102.00 |
| Jan 2022 | 9.0 | $20.00 |
| Jan 2018 | 8.5 | $7.50 |
| May 2022 | 8.0 | $9.00 |
| Sep 2015 | 7.0 | $6.70 |
| Aug 2014 | 7.0 | $5.40 |
| Nov 2021 | 6.0 | $7.10 |
| Mar 2019 | 6.0 | $4.80 |
| Jan 2018 | 6.0 | $4.80 |
| Feb 2016 | 6.0 | $5.75 |
| Oct 2019 | 5.5 | $4.00 |
| Aug 2018 | 5.0 | $3.30 |
| Nov 2020 | 4.0 | $3.60 |
| Apr 2018 | 4.0 | $2.80 |