| Sold | Grade | Monthly Average |
| Jan 2026 | 4.0 | $49.00 |
| Oct 2011 | 6.0 | $43.00 |
| Nov 2009 | 6.0 | $36.50 |
| Aug 2021 | 4.5 | $90.00 |
| Mar 2025 | 2.5 | $27.00 |
| Jul 2021 | 2.5 | $13.00 |
| May 2021 | 2.5 | $24.00 |
| May 2017 | 2.5 | $17.65 |
| Nov 2019 | 2.0 | $11.70 |
| Sep 2017 | 1.8 | $10.31 |
| May 2020 | 1.5 | $8.50 |
| Jul 2010 | 1.0 | $6.75 |