| Sold | Grade | Monthly Average |
| Nov 2023 | 8.0 | $32.00 |
| Jun 2022 | 8.0 | $40.00 |
| Jan 2012 | 7.5 | $23.00 |
| Aug 2010 | 7.5 | $23.00 |
| Jun 2024 | 6.5 | $33.00 |
| Oct 2020 | 6.5 | $33.00 |
| May 2025 | 6.0 | $34.00 |
| Dec 2022 | 6.0 | $30.00 |
| Dec 2018 | 6.0 | $30.00 |
| Aug 2014 | 6.0 | $18.00 |
| Aug 2025 | 5.5 | $37.00 |
| Feb 2023 | 5.5 | $45.00 |
| Nov 2022 | 5.5 | $28.00 |
| Nov 2020 | 5.5 | $28.00 |
| Mar 2025 | 5.0 | $35.00 |
| Jan 2012 | 5.0 | $15.00 |
| Nov 2019 | 4.5 | $30.00 |
| Jul 2013 | 4.5 | $13.50 |
| Nov 2024 | 4.0 | $20.00 |
| Mar 2013 | 4.0 | $13.20 |
| Feb 2013 | 4.0 | $12.00 |