| Sold | Grade | Monthly Average |
| Jan 2026 | 3.0 | $53.00 |
| Sep 2018 | 4.0 | $45.00 |
| Jun 2013 | 4.0 | $38.50 |
| May 2012 | 4.0 | $44.00 |
| Nov 2024 | 3.0 | $42.00 |
| Aug 2024 | 3.0 | $39.00 |
| Jun 2011 | 3.0 | $29.50 |
| Sep 2023 | 2.5 | $35.00 |
| Nov 2021 | 2.5 | $37.00 |
| Feb 2016 | 2.5 | $11.76 |
| Jun 2017 | 2.0 | $17.75 |
| Dec 2011 | 2.0 | $22.30 |
| Jul 2020 | 1.8 | $38.00 |
| Mar 2020 | 1.8 | $38.00 |
| Jul 2017 | 1.8 | $23.00 |
| May 2024 | 1.5 | $23.00 |
| May 2019 | 1.5 | $38.00 |
| Nov 2021 | 1.0 | $17.00 |
| Nov 2012 | 1.0 | $12.75 |
| Aug 2019 | 0.5 | $9.10 |