| Sold | Grade | Monthly Average |
| Oct 2013 | CGC 9.6 | $55.35 |
| Jan 2018 | 6.5 | $11.40 |
| Jan 2025 | 6.0 | $8.40 |
| Feb 2023 | 5.5 | $5.40 |
| Mar 2024 | 5.0 | $4.80 |
| Nov 2021 | 5.0 | $4.80 |
| Feb 2020 | 5.0 | $6.00 |
| Oct 2015 | 4.5 | $3.30 |
| Jan 2011 | 4.5 | $4.18 |
| Jun 2016 | 4.0 | $5.00 |
| Sep 2021 | 3.0 | $2.40 |
| Jan 2020 | 3.0 | $2.10 |
| May 2024 | 2.5 | $2.50 |
| Mar 2014 | 2.5 | $3.00 |
| Dec 2009 | 2.5 | $2.80 |
| Nov 2024 | 2.0 | $2.50 |
| Oct 2024 | 2.0 | $2.50 |
| Feb 2014 | 2.0 | $1.49 |