| Sold | Grade | Monthly Average |
| Jun 2025 | 8.5 | $22.00 |
| Apr 2016 | 8.0 | $6.40 |
| Aug 2012 | 8.0 | $4.40 |
| Dec 2014 | 7.5 | $12.00 |
| Mar 2024 | 6.0 | $9.00 |
| Sep 2023 | 6.0 | $9.00 |
| Jan 2022 | 6.0 | $9.00 |
| Sep 2019 | 6.0 | $6.00 |
| Sep 2017 | 6.0 | $5.70 |
| Mar 2015 | 6.0 | $4.80 |
| Oct 2013 | 6.0 | $3.00 |
| Jul 2013 | 6.0 | $1.20 |
| Jul 2012 | 6.0 | $3.90 |
| Nov 2010 | 6.0 | $1.60 |
| Dec 2023 | 5.5 | $8.20 |
| Nov 2018 | 5.0 | $4.75 |
| Sep 2014 | 4.0 | $3.20 |