| Sold | Grade | Monthly Average |
| Sep 2025 | 4.0 | $8.00 |
| Aug 2012 | 6.0 | $12.00 |
| Apr 2025 | 4.5 | $8.80 |
| Jan 2023 | 4.5 | $8.36 |
| Aug 2018 | 4.0 | $8.00 |
| Nov 2013 | 4.0 | $4.56 |
| Jul 2014 | 3.0 | $5.60 |
| Aug 2019 | 2.5 | $4.80 |
| Feb 2015 | 2.5 | $4.80 |
| Jun 2025 | 2.0 | $4.00 |
| Jun 2025 | 2.0 | $4.00 |
| Oct 2023 | 2.0 | $4.00 |
| Nov 2019 | 2.0 | $3.60 |
| Sep 2018 | 2.0 | $4.00 |
| May 2017 | 2.0 | $4.00 |
| Dec 2024 | 1.8 | $3.49 |
| Mar 2014 | 0.1 | $1.20 |