| Sold | Grade | Monthly Average |
| Oct 2026 | 9.4 | $18.00 |
| Jun 2012 | 9.4 | $40.00 |
| Jul 2010 | 9.4 | $40.00 |
| Jun 2025 | 8.0 | $20.70 |
| Jan 2025 | 8.0 | $26.00 |
| Jul 2012 | 8.0 | $33.98 |
| Feb 2020 | 6.5 | $25.00 |
| Feb 2020 | 6.0 | $28.00 |
| May 2012 | 6.0 | $21.60 |
| Jun 2010 | 6.0 | $24.00 |
| Jun 2009 | 6.0 | $19.75 |
| Apr 2007 | 6.0 | $23.76 |