| Sold | Grade | Monthly Average |
| May 2025 | 9.4 | $9.00 |
| Feb 2025 | 9.4 | $11.00 |
| Oct 2024 | 9.4 | $13.00 |
| Sep 2023 | 9.4 | $18.00 |
| Mar 2021 | 9.4 | $9.95 |
| Jan 2021 | 9.4 | $9.95 |
| Sep 2020 | 9.4 | $9.95 |
| Sep 2018 | 9.4 | $9.95 |
| Jun 2010 | 9.4 | $11.75 |
| Jun 2009 | 9.4 | $15.99 |
| May 2019 | 8.0 | $7.99 |
| Feb 2014 | 8.0 | $7.99 |
| Jun 2018 | 6.0 | $6.50 |
| Feb 2016 | 4.0 | $3.99 |
| Feb 2018 | 2.0 | $1.99 |