| Sold | Grade | Monthly Average |
| Jun 2024 | 8.0 | $3.20 |
| Oct 2019 | 8.0 | $3.20 |
| Nov 2017 | 8.0 | $3.20 |
| Aug 2017 | 8.0 | $3.20 |
| Apr 2017 | 8.0 | $6.00 |
| Sep 2011 | 8.0 | $1.00 |
| Jun 2010 | 8.0 | $3.80 |
| Jan 2025 | 6.0 | $2.50 |
| Mar 2022 | 6.0 | $2.40 |
| Jan 2020 | 6.0 | $2.40 |
| Aug 2018 | 6.0 | $2.40 |
| Aug 2017 | 6.0 | $2.40 |
| May 2016 | 6.0 | $3.60 |
| Dec 2015 | 6.0 | $3.00 |
| Mar 2013 | 6.0 | $0.80 |
| Dec 2012 | 6.0 | $0.80 |
| Jan 2011 | 6.0 | $1.10 |
| Feb 2023 | 4.0 | $2.50 |
| Aug 2021 | 4.0 | $2.00 |
| Mar 2020 | 4.0 | $2.00 |
| May 2016 | 4.0 | $2.40 |
| Aug 2022 | 2.0 | $2.00 |