| Sold | Grade | Monthly Average |
| Sep 2012 | 6.5 | $89.00 |
| Jan 2014 | 3.5 | $37.50 |
| Sep 2012 | 3.5 | $42.10 |
| May 2024 | 2.5 | $31.00 |
| May 2022 | 2.0 | $34.00 |
| Dec 2023 | 1.8 | $12.00 |
| Sep 2020 | 1.8 | $57.00 |
| Apr 2018 | 1.8 | $34.50 |
| Jul 2017 | 1.8 | $22.66 |
| Aug 2021 | 1.0 | $16.50 |
| Nov 2016 | 1.0 | $15.68 |
| Jun 2020 | 0.5 | $11.25 |
| Jan 2020 | 0.5 | $16.00 |