| Sold | Grade | Monthly Average |
| Jan 2022 | 4.0 | $105.00 |
| Jun 2017 | 3.0 | $139.00 |
| Oct 2013 | 3.0 | $75.00 |
| Apr 2022 | 2.5 | $67.00 |
| Jan 2022 | 2.5 | $73.00 |
| Jan 2019 | 2.5 | $71.00 |
| Jul 2015 | 2.5 | $180.00 |
| Apr 2015 | 2.5 | $55.00 |
| Feb 2015 | 2.5 | $99.00 |
| Nov 2022 | 2.0 | $35.00 |
| Feb 2018 | 2.0 | $57.00 |
| Mar 2015 | 2.0 | $43.00 |
| Oct 2021 | 1.5 | $48.00 |
| Feb 2014 | 0.5 | $18.90 |
| Dec 2011 | 0.5 | $21.00 |