| Sold | Grade | Monthly Average |
| Nov 2025 | 5.0 | $15.00 |
| Sep 2025 | 4.0 | $29.00 |
| Jul 2014 | 9.6 | $45.60 |
| Nov 2011 | 9.4 | $51.50 |
| Dec 2019 | 9.0 | $36.00 |
| May 2024 | 8.5 | $7.00 |
| Jul 2012 | 8.5 | $34.00 |
| May 2024 | 8.0 | $7.00 |
| Nov 2012 | 8.0 | $32.00 |
| May 2017 | 7.5 | $22.12 |
| Jun 2018 | 6.5 | $26.00 |
| Jun 2024 | 6.0 | $5.00 |
| Sep 2011 | 6.0 | $12.00 |
| Aug 2025 | 5.0 | $27.00 |
| May 2024 | 4.5 | $4.80 |
| Jun 2020 | 2.0 | $10.00 |