| Sold | Grade | Monthly Average |
| Mar 2020 | 3.0 | $150.00 |
| May 2020 | 2.5 | $175.00 |
| Oct 2017 | 2.5 | $76.00 |
| May 2020 | 2.0 | $134.00 |
| Nov 2011 | 2.0 | $60.00 |
| Oct 2011 | 2.0 | $55.00 |
| Oct 2013 | 1.8 | $75.00 |
| Dec 2010 | PGX 1.8 | $85.00 |
| Jul 2012 | 1.0 | $36.00 |
| Jul 2019 | 0.5 | $90.00 |
| Mar 2019 | 0.5 | $60.00 |
| Jun 2018 | 0.5 | $36.10 |
| Sep 2018 | 0.3 | $39.00 |