| Sold | Grade | Monthly Average |
| Oct 2023 | 4.5 | $32.00 |
| Mar 2021 | 6.5 | $39.50 |
| Mar 2020 | 6.5 | $39.50 |
| Apr 2021 | 6.0 | $41.75 |
| Jan 2023 | 5.5 | $52.00 |
| Nov 2021 | 5.5 | $54.00 |
| May 2020 | 5.0 | $40.00 |
| Jul 2017 | 5.0 | $12.00 |
| Oct 2013 | 5.0 | $12.00 |
| Sep 2011 | 4.5 | $11.00 |
| Jul 2023 | 4.0 | $21.00 |
| Mar 2016 | 4.0 | $14.50 |
| Oct 2017 | 3.5 | $8.80 |
| Mar 2022 | 3.0 | $24.00 |
| Dec 2016 | 3.0 | $7.00 |
| Aug 2013 | 3.0 | $7.00 |
| May 2020 | 2.0 | $15.50 |