| Sold | Grade | Monthly Average |
| Mar 2020 | 6.0 | $18.00 |
| Jan 2011 | 6.0 | $42.00 |
| Nov 2021 | 5.5 | $17.00 |
| Nov 2013 | 4.0 | $25.20 |
| Jun 2011 | 4.0 | $28.00 |
| May 2016 | 3.5 | $22.50 |
| Nov 2018 | 3.0 | $18.53 |
| May 2018 | 3.0 | $19.50 |
| Apr 2024 | 2.0 | $9.80 |
| Sep 2021 | 2.0 | $9.80 |
| Jun 2017 | 2.0 | $21.00 |
| Oct 2013 | 2.0 | $14.00 |
| May 2013 | 2.0 | $11.00 |
| Jul 2018 | 1.5 | $9.80 |
| May 2024 | 1.0 | $4.90 |
| May 2024 | 0.5 | $2.50 |