| Sold | Grade | Monthly Average |
| May 2026 | 4.0 | $8.00 |
| Oct 2021 | CGC 9.6 | $84.00 |
| Oct 2013 | CGC 9.6 | $41.50 |
| May 2024 | 6.0 | $5.00 |
| Mar 2024 | 5.0 | $4.80 |
| Jan 2025 | 4.5 | $4.60 |
| Aug 2024 | 4.0 | $4.20 |
| Jun 2016 | 4.0 | $3.00 |
| Feb 2013 | 4.0 | $3.30 |
| Jan 2020 | 3.0 | $2.10 |
| Oct 2019 | 3.0 | $2.10 |
| Jul 2014 | 3.0 | $2.25 |
| Oct 2024 | 2.5 | $2.50 |
| Nov 2023 | 2.5 | $2.50 |
| Feb 2017 | 2.5 | $2.70 |
| Jan 2017 | 2.5 | $1.62 |
| Jun 2010 | 2.5 | $2.80 |
| Dec 2009 | 2.5 | $2.30 |
| Dec 2010 | 1.8 | $1.60 |
| Jan 2012 | 1.0 | $1.10 |