| Sold | Grade | Monthly Average |
| Jul 2025 | 4.0 | $35.00 |
| Aug 2025 | 3.0 | $22.00 |
| Oct 2024 | 5.0 | $53.20 |
| Jul 2020 | 4.0 | $57.00 |
| May 2015 | 4.0 | $21.00 |
| Aug 2022 | 2.5 | $17.00 |
| Aug 2016 | 2.0 | $9.90 |
| Nov 2022 | 1.8 | $14.50 |
| Aug 2021 | 1.8 | $20.00 |
| Jan 2017 | 1.8 | $21.00 |
| Dec 2016 | 1.8 | $13.95 |
| Oct 2020 | 1.5 | $14.00 |
| Sep 2023 | 1.0 | $8.36 |
| Aug 2012 | 1.0 | $12.75 |
| Oct 2023 | 0.5 | $6.65 |
| Jan 2022 | 0.3 | $2.66 |