| Sold | Grade | Monthly Average |
| Apr 2024 | 4.5 | $45.00 |
| Oct 2012 | 6.0 | $45.00 |
| Apr 2018 | 4.5 | $37.50 |
| Aug 2022 | 4.0 | $38.00 |
| May 2022 | 3.0 | $29.00 |
| Mar 2017 | 3.0 | $32.00 |
| Dec 2009 | 3.0 | $21.00 |
| Jul 2020 | 2.5 | $28.00 |
| Mar 2018 | 2.0 | $17.00 |
| Dec 2023 | 1.8 | $9.50 |
| Jul 2018 | 1.5 | $11.75 |
| Dec 2009 | 1.0 | $7.49 |