| Sold | Grade | Monthly Average |
| Jan 2025 | 8.0 | $3.20 |
| Mar 2022 | 8.0 | $3.20 |
| Dec 2012 | 8.0 | $1.00 |
| Apr 2010 | 8.0 | $3.20 |
| Aug 2006 | 8.0 | $1.75 |
| Feb 2005 | 8.0 | $1.25 |
| Jun 2025 | 6.5 | $2.65 |
| Aug 2020 | 6.0 | $2.40 |
| Sep 2019 | 6.0 | $2.40 |
| Dec 2018 | 6.0 | $2.40 |
| Apr 2018 | 6.0 | $2.40 |
| Sep 2016 | 6.0 | $3.60 |
| Nov 2015 | 6.0 | $3.00 |
| Jul 2012 | 6.0 | $0.80 |
| Nov 2011 | 6.0 | $0.80 |
| Aug 2010 | 6.0 | $1.10 |
| May 2020 | 4.0 | $2.00 |
| Feb 2010 | 4.0 | $1.60 |
| Mar 2008 | 4.0 | $1.49 |
| Feb 2008 | 4.0 | $1.49 |