| Sold | Grade | Monthly Average |
| Oct 2025 | 6.5 | $18.00 |
| May 2018 | 9.4 | $13.00 |
| Oct 2017 | 9.4 | $9.00 |
| Dec 2016 | 9.4 | $10.00 |
| Nov 2015 | 9.0 | $8.10 |
| Aug 2015 | 9.0 | $8.55 |
| Oct 2018 | 8.5 | $8.49 |
| Dec 2016 | 8.5 | $12.00 |
| Apr 2020 | 8.0 | $8.75 |
| Jan 2020 | 8.0 | $8.00 |
| Jun 2018 | 8.0 | $8.00 |
| Dec 2016 | 8.0 | $8.00 |
| Feb 2015 | 8.0 | $8.00 |
| Aug 2020 | 7.5 | $7.49 |
| Jul 2022 | 6.5 | $18.00 |
| Sep 2017 | 6.5 | $6.49 |
| Sep 2015 | 6.5 | $6.49 |
| Jul 2021 | 6.0 | $6.00 |
| Dec 2017 | 6.0 | $6.00 |