| Sold | Grade | Monthly Average |
| May 2011 | CGC 7.0 | $31.00 |
| Jul 2010 | 6.0 | $24.00 |
| Oct 2019 | 5.5 | $23.00 |
| Oct 2015 | 4.0 | $11.35 |
| Aug 2024 | 3.5 | $13.50 |
| Sep 2017 | 3.0 | $6.37 |
| Jul 2022 | 2.5 | $10.75 |
| Nov 2018 | 2.5 | $10.21 |
| Aug 2016 | 2.5 | $5.70 |
| Jul 2023 | 2.0 | $9.00 |
| Dec 2022 | 2.0 | $9.00 |
| Nov 2020 | 2.0 | $9.00 |
| Nov 2023 | 1.8 | $7.11 |