| Sold | Grade | Monthly Average |
| Feb 2024 | 4.0 | $5.30 |
| Jan 2024 | 2.0 | $2.60 |
| Apr 2022 | 4.5 | $11.50 |
| Feb 2011 | 4.5 | $2.20 |
| Feb 2012 | 4.0 | $2.40 |
| Mar 2011 | 4.0 | $2.00 |
| Mar 2015 | 3.5 | $5.49 |
| Dec 2010 | 3.5 | $1.10 |
| Apr 2012 | 3.0 | $1.10 |
| Dec 2009 | 3.0 | $4.40 |
| Jun 2011 | 2.5 | $1.10 |
| Mar 2022 | 2.0 | $4.00 |
| Mar 2013 | 2.0 | $1.20 |
| Jul 2017 | 1.8 | $1.70 |
| Feb 2021 | 1.5 | $2.80 |
| Nov 2017 | 1.5 | $1.84 |