| Sold | Grade | Monthly Average |
| Jun 2025 | 4.0 | $12.00 |
| Jun 2025 | 2.0 | $6.00 |
| Feb 2013 | 4.0 | $12.00 |
| Jun 2018 | 3.5 | $7.60 |
| Feb 2024 | 3.0 | $8.40 |
| Dec 2019 | 3.0 | $8.40 |
| Apr 2019 | 3.0 | $10.00 |
| Mar 2018 | 3.0 | $6.70 |
| Nov 2014 | 3.0 | $8.40 |
| Aug 2012 | 3.0 | $9.50 |
| Oct 2018 | 2.5 | $5.70 |
| Aug 2012 | 2.5 | $2.37 |
| Aug 2022 | 2.0 | $6.00 |
| May 2020 | 2.0 | $6.00 |
| Feb 2019 | 2.0 | $4.80 |
| Nov 2018 | 2.0 | $4.56 |
| Sep 2012 | 2.0 | $3.60 |
| Sep 2020 | 1.8 | $4.56 |
| Dec 2012 | 1.5 | $5.05 |
| May 2016 | 1.0 | $3.30 |