| Sold | Grade | Monthly Average |
| Dec 2023 | 3.0 | $53.00 |
| Jun 2017 | 5.0 | $48.00 |
| Mar 2021 | 4.5 | $80.75 |
| Sep 2012 | 4.0 | $24.04 |
| Jun 2020 | 3.0 | $50.00 |
| Dec 2017 | 3.0 | $26.02 |
| Oct 2017 | 3.0 | $40.00 |
| Mar 2021 | 2.0 | $26.00 |
| Aug 2018 | 2.0 | $44.00 |
| Apr 2018 | 2.0 | $43.00 |
| Oct 2011 | 2.0 | $18.00 |
| Aug 2019 | 1.8 | $25.00 |
| Sep 2023 | 1.5 | $22.00 |
| Dec 2020 | 1.5 | $19.80 |
| Jun 2020 | 1.0 | $15.50 |
| Aug 2018 | 0.5 | $8.99 |
| Aug 2017 | 0.5 | $8.49 |