| Sold | Grade | Monthly Average |
| Dec 2013 | 9.4 | $54.99 |
| Mar 2018 | 9.2 | $59.00 |
| Aug 2012 | 9.2 | $50.00 |
| Mar 2025 | 8.5 | $50.00 |
| Jan 2025 | 8.0 | $47.70 |
| Dec 2024 | 8.0 | $31.00 |
| Apr 2021 | 8.0 | $60.00 |
| Jul 2010 | 8.0 | $32.00 |
| Aug 2023 | 7.5 | $22.00 |
| May 2021 | 6.0 | $90.00 |
| Mar 2021 | 4.0 | $27.00 |
| Aug 2015 | 4.0 | $22.00 |