| Sold | Grade | Monthly Average |
| Sep 2024 | 8.0 | $56.00 |
| May 2023 | 9.4 | $2.50 |
| Jan 2017 | 9.4 | $2.45 |
| Nov 2016 | 9.4 | $1.80 |
| Oct 2016 | 9.4 | $1.35 |
| Apr 2016 | 9.4 | $8.00 |
| Aug 2015 | 9.4 | $8.00 |
| Aug 2014 | 9.4 | $8.00 |
| Feb 2012 | 9.4 | $9.60 |
| Jan 2012 | 9.4 | $9.60 |
| Jun 2018 | 9.0 | $9.00 |
| Aug 2020 | 8.0 | $1.80 |
| Dec 2019 | 8.0 | $2.00 |
| Nov 2019 | 8.0 | $16.00 |
| Dec 2017 | 8.0 | $2.99 |
| Nov 2017 | 8.0 | $2.60 |
| Jan 2015 | 8.0 | $6.40 |
| Jun 2013 | 8.0 | $7.05 |
| May 2022 | 6.0 | $1.80 |
| Dec 2020 | 6.0 | $2.00 |
| Jun 2017 | 6.0 | $1.70 |
| Sep 2021 | 4.0 | $2.10 |