| Sold | Grade | Monthly Average |
| Mar 2011 | 4.0 | $31.50 |
| Jan 2023 | 3.5 | $16.63 |
| Nov 2021 | 3.5 | $25.00 |
| Sep 2023 | 3.0 | $19.00 |
| Jul 2016 | 3.0 | $22.00 |
| Dec 2013 | 3.0 | $23.00 |
| Nov 2011 | 3.0 | $22.00 |
| May 2013 | 2.5 | $18.50 |
| May 2025 | 2.0 Restored | $39.00 |
| Jul 2023 | 2.0 | $14.50 |
| Jul 2019 | 2.0 | $31.00 |
| Jan 2017 | 2.0 | $15.25 |
| Apr 2025 | 1.5 | $32.50 |
| Nov 2014 | 1.0 | $10.75 |
| Jun 2021 | 0.5 | $4.37 |
| Feb 2024 | 0.3 | $2.50 |