| Sold | Grade | Monthly Average |
| Dec 2018 | 5.5 | $17.00 |
| Jul 2020 | 4.5 | $26.00 |
| Jul 2022 | 4.0 | $24.00 |
| Oct 2015 | 3.5 | $25.65 |
| Feb 2012 | 3.5 | $31.00 |
| Oct 2017 | 2.5 | $16.51 |
| Aug 2013 | 2.5 | $4.00 |
| Dec 2023 | 2.0 | $18.00 |
| Nov 2018 | 2.0 | $16.75 |
| Aug 2018 | 2.0 | $16.75 |
| Sep 2022 | 1.8 | $8.99 |
| Apr 2014 | 1.5 | $7.90 |