| Sold | Grade | Monthly Average |
| Nov 2021 | 4.0 | $27.00 |
| Jun 2013 | 4.0 | $22.00 |
| Dec 2019 | 3.0 | $14.00 |
| Aug 2016 | 3.0 | $11.25 |
| Feb 2016 | 3.0 | $20.00 |
| May 2025 | 2.5 | $21.00 |
| May 2021 | 2.5 | $9.75 |
| Oct 2016 | 2.5 | $16.00 |
| May 2021 | 2.0 | $8.30 |
| Jan 2018 | 2.0 | $9.75 |
| Jun 2017 | 2.0 | $8.10 |
| Jun 2015 | 2.0 | $9.49 |
| May 2011 | 2.0 | $12.00 |
| Dec 2023 | 1.0 | $4.20 |
| Jan 2023 | 1.0 | $4.20 |
| Jan 2020 | 1.0 | $5.00 |
| Aug 2010 | 0.5 | $3.70 |