| Sold | Grade | Monthly Average |
| Jul 2011 | 8.0 | $42.00 |
| Jun 2021 | 7.0 | $170.00 |
| Oct 2021 | 5.5 | $119.00 |
| Oct 2020 | 5.5 | $46.00 |
| Apr 2019 | 5.0 | $99.00 |
| Mar 2019 | 5.0 | $42.00 |
| May 2017 | 5.0 | $26.00 |
| Nov 2024 | 4.5 | $53.00 |
| Jun 2017 | 4.5 | $23.50 |
| Jun 2016 | 4.5 | $23.50 |
| Jun 2025 | 4.0 | $120.00 |
| Feb 2025 | 4.0 | $120.00 |
| Nov 2021 | 4.0 | $99.00 |
| Jan 2021 | 4.0 | $42.50 |
| Aug 2019 | 4.0 | $28.50 |
| Aug 2017 | 4.0 | $29.00 |
| Apr 2023 | 3.5 | $81.00 |
| Oct 2022 | 3.5 | $68.00 |
| Oct 2012 | 3.0 | $11.64 |
| Sep 2022 | 2.5 | $25.65 |
| Sep 2017 | 1.8 | $11.00 |