| Sold | Grade | Monthly Average |
| Jun 2026 | 7.5 | $14.25 |
| Dec 2017 | 9.4 | $5.25 |
| Nov 2017 | 9.4 | $4.00 |
| Sep 2017 | 9.4 | $4.00 |
| May 2017 | 9.4 | $4.90 |
| Apr 2017 | 9.4 | $3.70 |
| Mar 2017 | 9.4 | $3.80 |
| Jan 2017 | 9.4 | $3.00 |
| Dec 2016 | 9.4 | $3.00 |
| Oct 2016 | 9.4 | $3.99 |
| Sep 2016 | 9.4 | $3.99 |
| Aug 2016 | 9.4 | $3.99 |
| Jul 2016 | 9.4 | $4.00 |
| Oct 2020 | 8.0 | $6.40 |
| Nov 2019 | 8.0 | $3.84 |
| Nov 2024 | 7.0 | $7.00 |
| May 2025 | 6.0 | $6.00 |
| Oct 2019 | 6.0 | $4.30 |
| Jul 2019 | 6.0 | $4.60 |
| Jun 2018 | 6.0 | $3.60 |