| Sold | Grade | Monthly Average |
| Apr 2022 | 3.0 | $90.00 |
| Jul 2013 | 2.0 | $48.00 |
| Feb 2012 | 2.0 | $23.00 |
| Feb 2025 | 1.8 | $60.00 |
| Aug 2020 | 1.8 | $52.00 |
| Jul 2020 | 1.8 | $56.00 |
| Sep 2016 | 1.8 | $18.00 |
| Mar 2016 | 1.5 | $51.00 |
| Mar 2015 | 1.5 | $15.44 |
| Sep 2016 | 1.0 | $39.00 |
| Jun 2015 | 1.0 | $39.50 |
| Feb 2017 | 0.5 | $51.00 |