| Sold | Grade | Monthly Average |
| Mar 2011 | CGC 7.5 | $139.00 |
| Feb 2024 | CGC 5.5 | $175.75 |
| Apr 2021 | 4.5 | $70.00 |
| Dec 2015 | 4.5 | $48.00 |
| May 2011 | 4.0 | $67.00 |
| Mar 2017 | 3.5 | $45.90 |
| Aug 2022 | 3.0 | $49.00 |
| Jun 2023 | 2.5 | $36.58 |
| Sep 2021 | 2.5 | $35.00 |
| Oct 2018 | 2.5 | $38.50 |
| Oct 2014 | 2.5 | $16.00 |
| Dec 2015 | 2.0 | $21.00 |
| Nov 2020 | 1.5 | $24.30 |