| Sold | Grade | Monthly Average |
| May 2024 | 6.0 | $1.00 |
| Jan 2024 | 6.0 | $1.75 |
| Mar 2013 | 9.4 | $1.10 |
| Jul 2010 | 9.4 | $1.10 |
| Mar 2009 | 9.4 | $1.49 |
| Feb 2006 | 9.4 | $1.00 |
| Oct 2023 | 8.0 | $1.00 |
| Sep 2023 | 8.0 | $1.00 |
| Dec 2022 | 8.0 | $2.00 |
| Sep 2021 | 8.0 | $2.00 |
| Nov 2019 | 8.0 | $2.00 |
| Jun 2018 | 8.0 | $1.70 |
| May 2018 | 8.0 | $1.00 |
| Aug 2017 | 8.0 | $1.00 |
| Nov 2013 | 8.0 | $0.90 |
| Oct 2023 | 6.0 | $1.00 |
| Jul 2014 | 6.0 | $0.90 |
| Jun 2012 | 6.0 | $0.80 |