| Sold | Grade | Monthly Average |
| Jan 2021 | 5.5 | $62.00 |
| Jan 2020 | 4.5 | $42.00 |
| Jan 2024 | 3.0 | $22.50 |
| Dec 2018 | 3.0 | $22.50 |
| Nov 2025 | 1.8 | $5.00 |
| Mar 2019 | 1.8 | $12.11 |
| Oct 2013 | 1.8 | $11.00 |
| Jan 2016 | 1.5 | $10.50 |
| Nov 2015 | 1.5 | $6.30 |
| Mar 2013 | 1.0 | $7.70 |
| Jan 2013 | 1.0 | $7.00 |
| May 2019 | 0.5 | $4.00 |