| Sold | Grade | Monthly Average |
| Feb 2024 | 4.0 | $42.00 |
| Jan 2020 | 4.5 | $115.00 |
| Jun 2017 | 4.5 | $63.00 |
| Dec 2020 | 4.0 | $120.00 |
| Jan 2017 | 4.0 | $28.00 |
| Apr 2010 | 4.0 | $31.50 |
| Aug 2012 | 3.5 | $25.00 |
| Jan 2024 | 3.0 | $30.00 |
| Nov 2023 | 3.0 | $26.10 |
| Jun 2020 | 3.0 | $33.00 |
| Mar 2017 | 3.0 | $22.00 |
| Feb 2015 | 3.0 | $26.00 |
| Oct 2013 | 2.5 | $22.00 |
| Aug 2015 | 2.0 | $19.70 |
| May 2015 | 2.0 | $19.70 |
| Aug 2013 | 1.8 | $15.50 |
| Apr 2015 | 1.5 | $15.00 |