| Sold | Grade | Monthly Average |
| May 2018 | 4.0 | $79.00 |
| Dec 2012 | 4.0 | $63.65 |
| May 2017 | 3.5 | $28.25 |
| Sep 2021 | 3.0 | $44.00 |
| Feb 2024 | 2.5 | $39.00 |
| Sep 2021 | 2.5 | $37.00 |
| Aug 2017 | 2.5 | $45.00 |
| Apr 2015 | 2.5 | $26.88 |
| Nov 2021 | 2.0 | $46.80 |
| Mar 2019 | 2.0 | $52.25 |
| Jun 2010 | 2.0 | $46.00 |
| Jun 2022 | 0.5 | $12.35 |
| Oct 2017 | 0.5 | $13.00 |