| Sold | Grade | Monthly Average |
| Oct 2025 | 4.0 | $18.00 |
| Nov 2011 | 9.0 | $8.60 |
| May 2025 | 8.0 | $26.00 |
| Feb 2013 | 8.0 | $7.60 |
| Apr 2011 | 8.0 | $9.60 |
| Dec 2021 | 7.5 | $23.00 |
| Jan 2012 | 7.0 | $7.98 |
| Sep 2021 | 6.0 | $22.00 |
| Jun 2021 | 5.5 | $25.00 |
| Aug 2024 | 4.0 | $17.10 |
| Apr 2020 | 4.0 | $9.00 |
| Feb 2013 | 4.0 | $3.80 |