| Sold | Grade | Monthly Average |
| Jun 2026 | 9.0 | $9.00 |
| Oct 2016 | 9.4 | $5.99 |
| Sep 2016 | 9.4 | $8.25 |
| Aug 2016 | 9.4 | $5.99 |
| Jun 2016 | 9.4 | $5.99 |
| May 2016 | 9.4 | $5.99 |
| Apr 2016 | 9.4 | $6.00 |
| Apr 2024 | 9.0 | $6.20 |
| Oct 2022 | 9.0 | $13.00 |
| Aug 2022 | 9.0 | $13.00 |
| Oct 2020 | 8.5 | $9.50 |
| Mar 2026 | 8.0 | $8.00 |
| Nov 2020 | 8.0 | $8.00 |
| Sep 2025 | 7.0 | $7.00 |
| Dec 2024 | 6.0 | $5.40 |
| Jul 2023 | 6.0 | $5.70 |
| Jan 2017 | 6.0 | $4.80 |
| Dec 2016 | 6.0 | $3.90 |
| May 2025 | 5.5 | $5.49 |
| Mar 2023 | 5.0 | $5.00 |
| Sep 2019 | 4.5 | $4.49 |
| Jun 2019 | 4.0 | $3.20 |