| Sold | Grade | Monthly Average |
| Jan 2024 | 3.5 | $36.00 |
| Oct 2022 | 4.0 | $42.75 |
| Mar 2023 | 3.5 | $36.00 |
| Nov 2014 | 3.5 | $17.11 |
| Feb 2010 | 3.5 | $19.25 |
| Oct 2017 | 3.0 | $13.00 |
| Aug 2014 | 3.0 | $24.50 |
| May 2021 | 2.5 | $26.00 |
| Dec 2019 | 2.0 | $18.00 |
| Feb 2019 | 2.0 | $18.00 |
| Oct 2017 | 2.0 | $14.00 |
| Jan 2022 | 1.8 | $21.00 |
| Feb 2021 | 1.8 | $21.00 |
| Dec 2018 | 1.5 | $20.00 |
| May 2016 | 1.5 | $4.03 |
| Jan 2018 | 1.0 | $10.50 |
| May 2014 | 1.0 | $11.35 |
| Jul 2010 | 1.0 | $7.99 |