| Sold | Grade | Monthly Average |
| Jul 2021 | 4.0 | $29.00 |
| Aug 2010 | 4.0 | $29.00 |
| Oct 2013 | 3.0 | $7.00 |
| Nov 2022 | 2.5 | $21.00 |
| Oct 2020 | 2.5 | $8.60 |
| Jul 2020 | 2.5 | $9.25 |
| Mar 2020 | 2.5 | $8.60 |
| Nov 2022 | 2.0 | $12.83 |
| Jul 2022 | 2.0 | $13.00 |
| Apr 2021 | 2.0 | $10.75 |
| Dec 2020 | 2.0 | $7.20 |
| May 2020 | 2.0 | $7.20 |
| Mar 2020 | 2.0 | $7.20 |
| Sep 2018 | 2.0 | $18.00 |
| Mar 2017 | 2.0 | $10.75 |
| Jul 2014 | 2.0 | $10.97 |
| Apr 2014 | 2.0 | $6.49 |
| Feb 2018 | 1.5 | $12.50 |
| Jun 2018 | 1.0 | $9.00 |
| Dec 2015 | 1.0 | $5.40 |