| Sold | Grade | Monthly Average |
| Jun 2025 | 5.0 | $18.00 |
| Dec 2021 | 4.0 | $5.50 |
| Dec 2020 | 4.0 | $4.32 |
| Jan 2019 | 4.0 | $6.00 |
| Jun 2018 | 4.0 | $6.00 |
| Aug 2015 | 3.5 | $6.05 |
| Aug 2014 | 3.5 | $6.05 |
| Dec 2017 | 3.0 | $2.24 |
| Nov 2017 | 3.0 | $2.75 |
| Sep 2024 | 2.0 | $2.50 |
| Oct 2023 | 2.0 | $2.50 |
| Dec 2021 | 2.0 | $2.40 |
| Apr 2021 | 2.0 | $2.40 |
| Dec 2018 | 2.0 | $2.40 |
| Dec 2017 | 2.0 | $2.40 |
| Apr 2010 | 2.0 | $3.30 |
| Sep 2014 | 1.5 | $2.70 |