| Sold | Grade | Monthly Average |
| Jun 2013 | 4.5 | $18.00 |
| Feb 2022 | 4.0 | $10.50 |
| Jul 2018 | 4.0 | $13.50 |
| Jul 2021 | 3.0 | $4.49 |
| Apr 2024 | 2.5 | $6.40 |
| Feb 2018 | 2.5 | $5.30 |
| Oct 2025 | 2.0 | $3.20 |
| Nov 2021 | 2.0 | $5.30 |
| Jul 2021 | 1.8 | $2.49 |
| Dec 2016 | 1.0 | $1.70 |
| Feb 2014 | 1.0 | $2.60 |
| Jan 2014 | 1.0 | $2.40 |