| Sold | Grade | Monthly Average |
| Jan 2022 | 8.0 | $210.00 |
| Dec 2013 | 6.0 | $58.00 |
| Aug 2012 | 6.0 | $34.00 |
| Aug 2021 | 5.0 | $44.00 |
| Oct 2024 | 4.5 | $115.00 |
| Feb 2026 | 3.5 | $35.00 |
| Oct 2025 | 3.5 | $32.00 |
| Jan 2013 | 3.5 | $24.88 |
| Nov 2021 | 3.0 | $26.00 |
| Feb 2021 | 3.0 | $18.00 |
| Dec 2015 | 3.0 | $26.00 |
| May 2025 | 2.5 | $36.00 |
| Jan 2025 | 2.0 | $21.00 |
| Dec 2017 | 2.0 | $15.75 |
| Jun 2017 | 2.0 | $16.75 |
| Sep 2024 | 1.8 | $22.00 |
| Aug 2023 | 1.5 | $16.00 |
| May 2022 | 1.5 | $16.00 |
| Mar 2010 | 1.0 | $19.00 |