| Sold | Grade | Monthly Average |
| Jun 2021 | 4.5 | $110.00 |
| Mar 2024 | 3.5 | $43.00 |
| Jan 2023 | 3.5 | $72.00 |
| May 2010 | 3.5 | $64.00 |
| Nov 2024 | 3.0 | $53.00 |
| Dec 2012 | 3.0 | $44.00 |
| Mar 2018 | 2.5 | $47.00 |
| Sep 2025 | 2.0 | $26.00 |
| Jan 2025 | 2.0 | $23.00 |
| Feb 2022 | 2.0 | $28.00 |
| Aug 2021 | 2.0 | $28.00 |
| Mar 2018 | 1.8 | $32.78 |
| Aug 2015 | 1.5 | $25.00 |