| Sold | Grade | Monthly Average |
| Apr 2018 | 5.5 | $72.00 |
| Dec 2016 | 5.0 | $26.00 |
| Jun 2012 | 5.0 | $39.00 |
| Mar 2011 | 5.0 | $33.50 |
| Mar 2020 | 4.5 | $32.00 |
| Oct 2019 | 4.5 | $24.00 |
| May 2010 | 4.5 | $27.00 |
| Nov 2022 | 4.0 | $20.00 |
| Dec 2012 | 4.0 | $36.50 |
| Aug 2019 | 3.0 | $10.00 |
| Nov 2016 | 3.0 | $25.00 |
| Mar 2016 | 3.0 | $17.50 |
| Jun 2012 | 2.5 | $19.25 |
| Dec 2020 | 2.0 | $5.90 |
| Aug 2014 | 2.0 | $15.40 |
| Feb 2014 | 2.0 | $15.40 |
| Mar 2011 | 2.0 | $13.75 |
| Mar 2022 | 1.8 | $4.30 |
| Oct 2011 | 1.8 | $9.80 |
| Oct 2019 | 1.5 | $5.00 |
| May 2013 | 1.0 | $7.20 |