| Sold | Grade | Monthly Average |
| Nov 2025 | 5.5 | $180.00 |
| Nov 2022 | 4.5 | $160.00 |
| Feb 2024 | 4.0 | $175.00 |
| Aug 2021 | 4.0 | $120.00 |
| Sep 2012 | 4.0 | $36.00 |
| Jan 2024 | 3.0 | $80.00 |
| Nov 2019 | 2.0 | $52.00 |
| Dec 2020 | 1.8 | $59.00 |
| Jan 2013 | 1.8 | $48.00 |
| Dec 2016 | 0.5 | $62.00 |
| Mar 2016 | 0.5 | $13.80 |