| Sold | Grade | Monthly Average |
| Nov 2012 | 8.0 | $43.00 |
| Sep 2019 | 7.5 | $52.00 |
| Aug 2013 | 7.0 | $29.50 |
| Aug 2024 | 5.5 | $24.00 |
| May 2022 | 5.5 | $55.00 |
| Nov 2023 | 5.0 | $29.00 |
| Jul 2014 | 5.0 | $32.50 |
| Jan 2013 | 5.0 | $11.85 |
| Oct 2024 | 4.5 | $21.00 |
| Nov 2023 | 4.5 | $31.00 |
| Feb 2019 | 4.5 | $33.00 |
| Jan 2010 | 3.0 | $60.00 |