| Sold | Grade | Monthly Average |
| Jan 2026 | 8.0 | $7.99 |
| May 2026 | 6.0 | $5.99 |
| Jun 2019 | 9.4 | $9.95 |
| Apr 2019 | 9.4 | $9.95 |
| Aug 2017 | 9.4 | $9.95 |
| Nov 2014 | 9.4 | $9.95 |
| Jul 2013 | 9.4 | $9.95 |
| Jun 2013 | 9.4 | $9.95 |
| Oct 2025 | 8.0 | $7.99 |
| Dec 2019 | 8.0 | $7.99 |
| Apr 2017 | 8.0 | $7.99 |
| Mar 2016 | 8.0 | $7.99 |
| Dec 2025 | 6.0 | $3.59 |
| Mar 2014 | 6.0 | $5.99 |
| Mar 2022 | 4.0 | $3.59 |