| Sold | Grade | Monthly Average |
| Apr 2020 | 4.5 | $60.00 |
| Nov 2009 | 4.5 | $26.50 |
| Sep 2024 | 4.0 | $46.00 |
| Jun 2020 | 4.0 | $40.50 |
| Oct 2016 | 3.5 | $25.00 |
| Jun 2024 | 3.0 | $21.00 |
| Jun 2020 | 3.0 | $23.00 |
| Sep 2017 | 3.0 | $22.00 |
| Jul 2024 | 2.5 | $71.00 |
| Apr 2019 | 2.0 | $22.50 |
| Jun 2023 | 1.5 | $8.00 |
| Apr 2015 | 1.5 | $11.50 |
| Jun 2023 | 1.0 | $8.00 |