| Sold | Grade | Monthly Average |
| Jan 2024 | 1.0 | $25.00 |
| Aug 2018 | 3.5 | $57.00 |
| Jul 2021 | 3.0 | $40.00 |
| May 2016 | 3.0 | $39.00 |
| Mar 2010 | 3.0 | $31.50 |
| Jan 2022 | 2.5 | $42.70 |
| Nov 2020 | 2.5 | $44.00 |
| Nov 2017 | 2.5 | $39.00 |
| Aug 2019 | 2.0 | $50.00 |
| Dec 2020 | 1.8 | $39.00 |
| Aug 2018 | 1.8 | $31.35 |
| Jan 2022 | 1.5 | $30.50 |
| Jul 2021 | 1.0 | $21.50 |