| Sold | Grade | Monthly Average |
| Nov 2025 | 3.5 | $95.00 |
| Mar 2015 | 6.0 | $135.00 |
| Sep 2022 | 4.5 | $79.00 |
| Dec 2022 | 3.5 | $58.00 |
| Sep 2010 | 3.5 | $54.00 |
| Apr 2022 | 3.0 | $65.00 |
| Nov 2015 | 2.5 | $47.50 |
| Dec 2023 | 2.0 | $17.00 |
| Jan 2022 | 2.0 | $29.00 |
| May 2021 | 2.0 | $39.95 |
| Oct 2018 | 2.0 | $34.00 |
| Mar 2013 | 2.0 | $50.00 |
| Jul 2011 | 2.0 | $45.00 |
| Dec 2021 | 1.5 | $28.00 |
| Apr 2010 | 1.5 | $29.50 |
| Aug 2019 | 1.0 | $31.00 |
| Feb 2011 | 0.5 | $11.00 |