| Sold | Grade | Monthly Average |
| Jun 2024 | 2.0 | $10.75 |
| Feb 2011 | 6.0 | $18.00 |
| Apr 2023 | 5.0 | $45.00 |
| Apr 2022 | 4.5 | $50.00 |
| Feb 2022 | 4.5 | $48.00 |
| Oct 2022 | 4.0 | $24.00 |
| Dec 2020 | 4.0 | $34.00 |
| Nov 2019 | 4.0 | $17.78 |
| Sep 2019 | 4.0 | $19.75 |
| Feb 2017 | 4.0 | $12.00 |
| Aug 2023 | 3.5 | $20.00 |
| Aug 2017 | 3.5 | $10.50 |
| Jun 2018 | 3.0 | $12.00 |
| Oct 2015 | 3.0 | $9.20 |
| Oct 2013 | 3.0 | $9.20 |
| Jan 2022 | 2.5 | $18.00 |
| Nov 2013 | 2.5 | $7.90 |
| Dec 2020 | 2.0 | $10.75 |
| Dec 2018 | 1.8 | $9.30 |
| Jun 2020 | 1.0 | $6.30 |
| Sep 2013 | 1.0 | $3.90 |