| Sold | Grade | Monthly Average |
| Aug 2016 | 5.5 | $95.00 |
| Jan 2020 | 4.0 | $88.00 |
| Jan 2017 | 4.0 | $63.00 |
| Sep 2012 | 4.0 | $29.89 |
| Oct 2024 | 3.5 | $76.00 |
| Oct 2025 | 3.0 | $61.00 |
| Mar 2021 | 3.0 | $62.00 |
| Jul 2020 | 3.0 | $41.00 |
| May 2023 | 2.0 | $25.00 |
| Nov 2022 | 2.0 | $44.50 |
| Jun 2011 | 2.0 | $37.50 |
| Feb 2022 | 1.8 | $43.00 |
| Oct 2020 | 1.8 | $55.00 |
| May 2021 | 1.5 | $22.00 |
| Aug 2018 | 1.5 | $42.00 |
| Feb 2024 | 0.5 | $15.00 |
| Jan 2024 | 0.5 | $12.00 |
| Nov 2022 | 0.5 | $24.95 |
| Sep 2018 | 0.5 | $12.00 |