| Sold | Grade | Monthly Average |
| Oct 2019 | 6.0 | $115.00 |
| Jun 2022 | 4.0 | $60.00 |
| Oct 2016 | 4.0 | $61.00 |
| Jun 2019 | 3.5 | $53.00 |
| Oct 2025 | 3.0 | $47.49 |
| Jan 2022 | 2.5 | $39.00 |
| Feb 2021 | 2.0 | $31.00 |
| Dec 2020 | 2.0 | $27.50 |
| Oct 2016 | 2.0 | $31.00 |
| Apr 2022 | 1.5 | $28.00 |
| Aug 2019 | 1.5 | $31.00 |
| Mar 2012 | 0.5 | $8.00 |
| Feb 2025 | 0.3 | $3.30 |