| Sold | Grade | Monthly Average |
| Nov 2025 | 8.0 | $5.85 |
| Oct 2015 | 9.4 | $12.00 |
| Sep 2014 | 9.4 | $12.00 |
| Jun 2012 | 9.4 | $13.55 |
| May 2012 | 9.4 | $12.00 |
| Dec 2011 | 9.4 | $12.70 |
| Apr 2011 | 9.4 | $12.00 |
| Mar 2011 | 9.4 | $10.80 |
| Nov 2010 | 9.4 | $11.25 |
| Sep 2010 | 9.4 | $11.25 |
| Apr 2010 | 9.4 | $12.50 |
| Oct 2024 | 8.0 | $4.50 |
| Jun 2024 | 8.0 | $5.50 |
| Apr 2019 | 8.0 | $14.25 |
| Jan 2022 | 6.0 | $10.75 |
| Sep 2021 | 4.0 | $7.20 |
| Jul 2019 | 4.0 | $7.20 |
| Sep 2018 | 4.0 | $7.20 |