| Sold | Grade | Monthly Average |
| Jan 2014 | 5.5 | $8.10 |
| Sep 2022 | 4.0 | $35.00 |
| May 2021 | 4.0 | $40.00 |
| May 2018 | 4.0 | $7.49 |
| Mar 2013 | 4.0 | $5.70 |
| Sep 2014 | 3.5 | $6.00 |
| Jan 2024 | 2.5 | $6.30 |
| Jun 2022 | 2.5 | $14.25 |
| Sep 2021 | 2.0 | $5.20 |
| Jun 2020 | 2.0 | $4.94 |
| Aug 2022 | 1.8 | $26.00 |
| Oct 2017 | 1.8 | $3.30 |