| Sold | Grade | Monthly Average |
| Mar 2019 | 9.4 | $124.95 |
| Mar 2014 | 9.4 | $99.95 |
| Aug 2013 | 9.4 | $100.00 |
| Jul 2013 | 9.4 | $100.00 |
| May 2013 | 9.4 | $90.00 |
| Aug 2012 | 9.4 | $90.00 |
| May 2016 | 8.0 | $115.00 |
| Nov 2023 | 6.0 | $72.00 |
| Sep 2022 | 6.0 | $120.00 |
| Sep 2019 | 6.0 | $74.00 |
| Mar 2018 | 6.0 | $74.00 |
| Dec 2014 | 6.0 | $59.00 |