| Sold | Grade | Monthly Average |
| May 2020 | 5.0 | $25.00 |
| Mar 2017 | 5.0 | $36.00 |
| Dec 2015 | 5.0 | $20.01 |
| Sep 2017 | 4.5 | $48.00 |
| Mar 2022 | 4.0 | $35.00 |
| Jun 2021 | 4.0 | $44.00 |
| Dec 2018 | 4.0 | $44.00 |
| May 2017 | 3.5 | $40.00 |
| May 2024 | 2.0 | $15.00 |
| Jun 2014 | 2.0 | $15.65 |
| Feb 2012 | 2.0 | $25.50 |
| Oct 2024 | 1.5 | $11.00 |
| Dec 2023 | 0.5 | $6.00 |
| Nov 2010 | 0.5 | $7.80 |