| Sold | Grade | Monthly Average |
| Aug 2025 | 3.0 | $47.00 |
| Nov 2025 | 0.5 | $11.00 |
| Apr 2022 | 4.5 | $48.00 |
| Dec 2012 | 4.5 | $26.80 |
| Mar 2012 | 4.0 | $46.40 |
| Jul 2024 | 3.5 | $30.00 |
| Aug 2023 | 3.5 | $26.00 |
| Feb 2013 | 3.5 | $19.55 |
| Feb 2012 | 3.0 | $39.60 |
| Mar 2018 | 2.5 | $46.00 |
| Dec 2015 | 2.0 | $25.20 |
| Sep 2010 | 1.8 | $24.50 |
| Jan 2010 | 1.8 | $23.00 |
| May 2020 | 1.0 | $17.25 |