| Sold | Grade | Monthly Average |
| Aug 2016 | 8.0 | $12.50 |
| Dec 2009 | 8.0 | $3.20 |
| Oct 2008 | 8.0 | $3.20 |
| Dec 2007 | 8.0 | $3.20 |
| Aug 2016 | 6.5 | $6.49 |
| Sep 2021 | 6.0 | $15.00 |
| Apr 2021 | 6.0 | $15.00 |
| Aug 2013 | 6.0 | $3.00 |
| May 2017 | 5.5 | $5.49 |
| Nov 2018 | 4.0 | $4.00 |
| Jan 2018 | 4.0 | $4.40 |
| Nov 2015 | 4.0 | $2.00 |
| Apr 2014 | 4.0 | $2.00 |
| Sep 2023 | 2.5 | $18.75 |
| May 2013 | 2.0 | $0.90 |