| Sold | Grade | Monthly Average |
| Oct 2024 | 4.0 | $38.00 |
| Sep 2023 | 6.5 | $141.00 |
| Jul 2022 | 6.5 | $79.00 |
| Oct 2023 | 4.5 | $29.00 |
| Jul 2022 | 4.0 | $52.00 |
| Nov 2023 | 3.5 | $23.00 |
| Oct 2023 | 3.5 | $34.00 |
| Jan 2020 | 3.5 | $30.00 |
| Oct 2017 | 3.5 | $31.50 |
| Feb 2024 | 3.0 | $25.00 |
| Nov 2022 | 3.0 | $17.00 |
| Aug 2013 | 2.5 | $27.00 |
| Jul 2012 | 2.5 | $26.77 |
| Oct 2011 | 2.5 | $46.00 |
| Aug 2011 | 2.5 | $46.00 |
| Jan 2023 | 2.0 | $16.00 |
| Sep 2018 | 2.0 | $17.00 |
| Dec 2017 | 2.0 | $17.50 |