| Sold | Grade | Monthly Average |
| Dec 2025 | 3.0 | $8.00 |
| Jan 2019 | 6.0 | $6.00 |
| Jan 2022 | 5.5 | $23.00 |
| Apr 2016 | 5.0 | $4.70 |
| Feb 2020 | 4.0 | $4.40 |
| Jan 2020 | 4.0 | $4.00 |
| Jun 2019 | 4.0 | $3.80 |
| Mar 2019 | 4.0 | $4.00 |
| Jan 2018 | 4.0 | $3.24 |
| Jan 2017 | 4.0 | $3.24 |
| Apr 2010 | 4.0 | $2.80 |
| May 2016 | 3.5 | $1.70 |
| Sep 2022 | 3.0 | $2.80 |
| Sep 2018 | 3.0 | $2.80 |
| Jul 2011 | 3.0 | $2.80 |
| Dec 2020 | 2.5 | $2.40 |
| Sep 2025 | 2.0 | $3.30 |
| Nov 2012 | 2.0 | $2.00 |