| Sold | Grade | Monthly Average |
| Nov 2023 | 3.0 | $3.90 |
| Aug 2020 | 8.5 | $17.00 |
| Jan 2010 | 5.0 | $1.49 |
| Dec 2021 | 4.0 | $3.70 |
| Aug 2012 | 4.0 | $3.70 |
| Jan 2012 | 4.0 | $2.70 |
| Jun 2013 | 3.5 | $2.49 |
| Apr 2023 | 3.0 | $2.34 |
| Mar 2023 | 3.0 | $2.60 |
| Dec 2018 | 3.0 | $5.20 |
| Feb 2014 | 3.0 | $2.40 |
| Mar 2013 | 3.0 | $2.20 |
| Jan 2014 | 2.5 | $1.90 |
| Sep 2020 | 2.0 | $2.80 |
| May 2020 | 2.0 | $2.80 |
| Oct 2015 | 2.0 | $1.60 |