| Sold | Grade | Monthly Average |
| Jun 2026 | 6.0 | $50.00 |
| Apr 2012 | 8.0 | $7.60 |
| Feb 2014 | 6.5 | $5.20 |
| Mar 2023 | 6.0 | $44.00 |
| Dec 2022 | 6.0 | $38.00 |
| Feb 2022 | 6.0 | $33.00 |
| Feb 2015 | 6.0 | $4.80 |
| Sep 2021 | 5.0 | $38.00 |
| May 2018 | 5.0 | $35.00 |
| Mar 2023 | 4.5 | $26.50 |
| Aug 2018 | 4.5 | $33.00 |
| Feb 2023 | 3.5 | $19.00 |