| Sold | Grade | Monthly Average |
| Aug 2017 | 8.0 | $26.60 |
| Aug 2023 | 4.5 | $17.00 |
| Apr 2010 | 4.5 | $8.80 |
| Jul 2023 | 4.0 | $8.00 |
| Nov 2021 | 4.0 | $7.60 |
| Jul 2018 | 4.0 | $8.00 |
| Aug 2017 | 4.0 | $11.50 |
| Apr 2015 | 4.0 | $11.50 |
| Dec 2010 | 4.0 | $8.00 |
| May 2025 | 3.5 | $8.00 |
| Dec 2024 | 3.0 | $5.04 |
| Jan 2020 | 3.0 | $6.10 |
| Sep 2018 | 3.0 | $6.10 |
| Aug 2010 | 3.0 | $6.10 |
| Feb 2023 | 2.0 | $3.80 |
| Jan 2018 | 2.0 | $4.40 |
| Sep 2017 | 2.0 | $4.40 |
| Oct 2011 | 2.0 | $4.40 |