| Sold | Grade | Monthly Average |
| Feb 2024 | 8.0 | $4.00 |
| Nov 2023 | 6.0 | $3.00 |
| Dec 2020 | 8.0 | $3.20 |
| Jun 2019 | 8.0 | $3.50 |
| May 2019 | 8.0 | $3.50 |
| Oct 2017 | 8.0 | $2.10 |
| Sep 2017 | 8.0 | $2.10 |
| May 2017 | 8.0 | $1.80 |
| Jun 2015 | 8.0 | $3.45 |
| Oct 2014 | 8.0 | $3.20 |
| Oct 2021 | 6.0 | $3.00 |
| Jan 2018 | 6.0 | $1.62 |
| Dec 2017 | 6.0 | $1.80 |
| Oct 2017 | 6.0 | $1.95 |
| Apr 2015 | 6.0 | $3.00 |
| Sep 2011 | 6.0 | $2.60 |
| Mar 2022 | 4.0 | $2.00 |
| May 2021 | 4.0 | $2.00 |
| Jun 2015 | 4.0 | $1.75 |
| May 2020 | 2.0 | $2.00 |
| Feb 2013 | 2.0 | $1.55 |
| Mar 2012 | 2.0 | $1.00 |