| Sold | Grade | Monthly Average |
| Oct 2022 | 3.5 | $50.00 |
| May 2020 | 3.0 | $41.80 |
| Feb 2018 | 3.0 | $24.50 |
| Sep 2017 | 3.0 | $22.00 |
| Jun 2012 | 3.0 | $17.34 |
| Sep 2025 | 2.5 | $38.00 |
| Jun 2022 | 2.5 | $49.95 |
| Mar 2020 | 2.0 | $23.00 |
| Oct 2017 | 2.0 | $24.00 |
| Jan 2017 | 2.0 | $15.50 |
| Nov 2011 | 1.8 | $12.75 |
| Nov 2021 | 1.5 | $18.25 |
| Oct 2017 | 1.5 | $22.00 |
| Jul 2021 | 1.0 | $12.35 |
| Dec 2012 | 1.0 | $7.99 |