| Sold | Grade | Monthly Average |
| Nov 2024 | 3.0 | $6.70 |
| Sep 2024 | 1.5 | $4.20 |
| Dec 2015 | 6.0 | $18.00 |
| Dec 2015 | 5.5 | $16.00 |
| Dec 2010 | 5.0 | $8.40 |
| Jul 2010 | 5.0 | $8.40 |
| Apr 2015 | 4.5 | $12.25 |
| Nov 2023 | 4.0 | $9.60 |
| Feb 2021 | 4.0 | $9.60 |
| Dec 2016 | 4.0 | $9.60 |
| Aug 2012 | 4.0 | $11.00 |
| Feb 2012 | 4.0 | $12.30 |
| Apr 2021 | 3.5 | $7.60 |
| Mar 2021 | 3.5 | $7.60 |
| Jul 2024 | 3.0 | $6.70 |
| May 2014 | 3.0 | $8.40 |
| Nov 2015 | 2.5 | $5.70 |
| Jan 2015 | 2.5 | $6.70 |
| May 2013 | 2.5 | $6.70 |
| Jul 2020 | 2.0 | $4.80 |
| Sep 2019 | 2.0 | $4.80 |
| Jul 2012 | 1.8 | $5.70 |