| Sold | Grade | Monthly Average |
| Aug 2012 | 6.0 | $64.80 |
| Mar 2022 | 4.5 | $75.00 |
| Jul 2017 | 4.5 | $73.10 |
| Sep 2012 | 4.0 | $17.30 |
| Feb 2012 | 4.0 | $37.00 |
| Mar 2022 | 3.5 | $44.00 |
| Aug 2013 | 3.5 | $53.00 |
| Oct 2017 | 3.0 | $35.00 |
| Dec 2024 | 1.8 | $41.00 |
| Nov 2022 | 1.8 | $26.00 |
| May 2025 | 1.0 | $26.00 |
| Jan 2021 | 0.5 | $9.60 |