| Sold | Grade | Monthly Average |
| Nov 2025 | 6.0 | $15.00 |
| Jul 2019 | 6.0 | $27.00 |
| Mar 2013 | 5.0 | $15.00 |
| Oct 2025 | 4.0 | $10.00 |
| Aug 2025 | 4.0 | $8.00 |
| May 2025 | 4.0 | $8.00 |
| Dec 2021 | 4.0 | $8.00 |
| Jul 2019 | 4.0 | $18.00 |
| Sep 2017 | 4.0 | $20.00 |
| Jan 2015 | 4.0 | $36.00 |
| Nov 2012 | 4.0 | $36.00 |
| May 2012 | 4.0 | $7.20 |
| May 2009 | 4.0 | $36.00 |
| Jun 2014 | 2.0 | $20.45 |
| Feb 2013 | 2.0 | $18.00 |
| Oct 2009 | 2.0 | $18.00 |
| Dec 2008 | 2.0 | $18.00 |
| Dec 2016 | 1.0 | $5.00 |