| Sold | Grade | Monthly Average |
| Feb 2024 | 4.0 | $32.00 |
| Dec 2013 | 5.5 | $24.38 |
| Sep 2012 | 5.5 | $24.76 |
| Sep 2012 | 4.0 | $36.50 |
| Dec 2022 | 3.5 | $38.00 |
| Aug 2022 | 3.0 | $25.00 |
| May 2022 | 3.0 | $28.00 |
| Nov 2021 | 3.0 | $23.00 |
| Jul 2020 | 3.0 | $35.00 |
| Nov 2019 | 2.5 | $16.00 |
| May 2016 | 2.5 | $29.00 |
| Oct 2021 | 2.0 | $28.00 |
| Sep 2017 | 2.0 | $20.52 |
| Feb 2012 | 2.0 | $24.50 |
| Jun 2020 | 1.8 | $16.75 |