| Sold | Grade | Monthly Average |
| Aug 2024 | 3.5 | $18.50 |
| Jan 2013 | 8.0 | $15.03 |
| Dec 2010 | 7.5 | $22.80 |
| Jun 2010 | 7.5 | $24.00 |
| Apr 2011 | 7.0 | $21.00 |
| Nov 2019 | 6.5 | $17.00 |
| Mar 2021 | 6.0 | $71.25 |
| Jun 2013 | 6.0 | $14.25 |
| Dec 2020 | 5.5 | $37.00 |
| Mar 2024 | 5.0 | $27.00 |
| Oct 2021 | 5.0 | $41.80 |
| Jul 2021 | 5.0 | $22.00 |
| Mar 2010 | 5.0 | $12.00 |
| Jan 2011 | 4.5 | $11.00 |
| May 2022 | 4.0 | $22.00 |
| Aug 2015 | 4.0 | $13.75 |
| Jul 2022 | 3.5 | $19.50 |
| Aug 2022 | 3.0 | $20.50 |
| Apr 2023 | 2.0 | $14.25 |