| Sold | Grade | Monthly Average |
| Nov 2025 | 9.2 | $29.00 |
| Aug 2025 | 8.5 | $30.00 |
| Apr 2017 | 9.4 | $50.00 |
| May 2016 | 9.4 | $9.64 |
| Feb 2015 | 9.4 | $37.73 |
| Jan 2025 | 9.2 | $35.00 |
| Apr 2024 | 9.2 | $38.00 |
| Sep 2023 | 9.2 | $79.95 |
| Dec 2013 | 9.2 | $13.00 |
| Sep 2022 | 9.0 | $40.00 |
| Jan 2015 | 9.0 | $11.50 |
| Dec 2013 | 9.0 | $11.50 |
| May 2019 | 8.5 | $26.00 |
| Nov 2021 | 8.0 | $30.40 |
| May 2021 | 8.0 | $32.00 |
| Jul 2019 | 8.0 | $59.95 |
| Dec 2015 | 8.0 | $6.84 |
| Aug 2015 | 8.0 | $6.12 |
| Apr 2015 | 8.0 | $5.60 |
| Jan 2015 | 8.0 | $10.25 |
| Mar 2015 | 6.5 | $8.40 |