| Sold | Grade | Monthly Average |
| Jul 2025 | 7.5 | $46.00 |
| Nov 2025 | 5.0 | $26.00 |
| Aug 2024 | 7.5 | $37.00 |
| Apr 2015 | 7.5 | $90.00 |
| Jul 2013 | 7.5 | $79.00 |
| Nov 2013 | 7.0 | $64.00 |
| Jun 2023 | 6.0 | $59.00 |
| Dec 2022 | 6.0 | $12.00 |
| Nov 2015 | 6.0 | $49.99 |
| Oct 2012 | 6.0 | $33.85 |
| Dec 2016 | 5.0 | $42.00 |
| May 2016 | 5.0 | $24.00 |
| Sep 2013 | 5.0 | $45.00 |
| Dec 2024 | 4.5 | $20.00 |
| Mar 2021 | 4.5 | $54.00 |
| Aug 2017 | 4.5 | $14.00 |
| Jun 2023 | 4.0 | $12.00 |
| Jun 2014 | 4.0 | $52.00 |
| May 2013 | 4.0 | $36.00 |
| Nov 2021 | 1.0 | $13.50 |
| Sep 2014 | 1.0 | $16.20 |