| Sold | Grade | Monthly Average |
| Mar 2024 | 4.5 | $120.00 |
| Jan 2024 | 3.0 | $38.00 |
| Sep 2023 | 6.5 | $185.00 |
| May 2020 | 5.5 | $68.00 |
| Aug 2022 | 3.5 | $77.00 |
| Apr 2022 | 3.5 | $46.55 |
| Jan 2020 | 3.0 | $29.00 |
| Sep 2021 | 2.5 | $34.00 |
| Mar 2022 | 2.0 | $40.00 |
| Sep 2018 | 2.0 | $27.00 |
| Dec 2016 | 2.0 | $16.00 |
| Sep 2013 | 1.8 | $20.50 |
| May 2017 | 1.5 | $18.90 |
| Aug 2017 | 1.0 | $11.60 |
| May 2011 | 1.0 | $12.50 |