| Sold | Grade | Monthly Average |
| Nov 2025 | 8.5 | $8.49 |
| Aug 2025 | 4.0 | $4.00 |
| Jan 2010 | 9.4 | $1.30 |
| Nov 2009 | 9.4 | $1.70 |
| Jan 2008 | 9.4 | $4.00 |
| Sep 2007 | 9.4 | $4.00 |
| Jul 2007 | 9.4 | $4.00 |
| Oct 2006 | 9.4 | $4.99 |
| Apr 2021 | 8.0 | $4.00 |
| Apr 2020 | 8.0 | $4.00 |
| Nov 2019 | 8.0 | $3.20 |
| Apr 2019 | 8.0 | $4.00 |
| Oct 2018 | 8.0 | $3.60 |
| Jun 2018 | 8.0 | $4.00 |
| Apr 2012 | 8.0 | $7.60 |
| Jun 2011 | 8.0 | $4.00 |
| Jul 2018 | 7.0 | $3.49 |
| Oct 2023 | 5.5 | $5.49 |