| Sold | Grade | Monthly Average |
| May 2023 | 5.0 | $13.50 |
| Jun 2022 | 4.5 | $19.50 |
| Sep 2025 | 4.0 | $18.00 |
| Jul 2023 | 4.0 | $9.00 |
| Apr 2023 | 3.5 | $7.41 |
| Aug 2022 | 3.5 | $13.00 |
| Nov 2018 | 3.5 | $29.00 |
| Jul 2012 | 3.5 | $22.33 |
| Feb 2022 | 3.0 | $16.00 |
| Jan 2014 | 3.0 | $20.50 |
| Jan 2021 | 2.5 | $19.00 |
| May 2013 | 2.5 | $17.25 |
| May 2021 | 2.0 | $16.00 |
| Nov 2023 | 1.5 | $9.30 |
| Apr 2022 | 1.5 | $11.50 |
| Nov 2015 | 1.5 | $10.58 |
| Nov 2017 | 1.0 | $6.30 |