| Sold | Grade | Monthly Average |
| Nov 2012 | 7.0 | $84.00 |
| Oct 2022 | 4.5 | $38.00 |
| May 2022 | 4.5 | $41.00 |
| Jan 2020 | 4.5 | $33.00 |
| Dec 2013 | 4.5 | $21.00 |
| Dec 2012 | 4.5 | $26.00 |
| Jul 2014 | 4.0 | $44.75 |
| Feb 2019 | 3.0 | $15.00 |
| May 2010 | 2.5 | $37.50 |
| Mar 2023 | 2.0 | $32.00 |
| Jan 2022 | 2.0 | $22.00 |
| Sep 2022 | 1.8 | $16.00 |
| Apr 2016 | 1.0 | $16.39 |
| Aug 2013 | 1.0 | $18.45 |