| Sold | Grade | Monthly Average |
| Oct 2025 | 3.5 | $17.50 |
| Apr 2021 | 7.0 | $34.00 |
| Aug 2022 | 5.5 | $19.00 |
| Sep 2013 | 4.0 | $8.00 |
| Apr 2012 | 4.0 | $8.00 |
| Jun 2025 | 3.5 | $8.00 |
| Dec 2022 | 3.5 | $14.00 |
| Aug 2019 | 3.5 | $19.00 |
| Jan 2023 | 3.0 | $9.80 |
| Sep 2015 | 3.0 | $6.10 |
| Sep 2024 | 2.5 | $8.50 |
| Apr 2017 | 2.5 | $5.20 |
| Nov 2009 | 2.5 | $2.80 |
| Feb 2024 | 2.0 | $8.80 |
| Aug 2023 | 2.0 | $8.80 |
| Apr 2023 | 2.0 | $8.80 |
| Jan 2020 | 2.0 | $8.80 |
| Oct 2017 | 2.0 | $3.96 |
| Mar 2013 | 2.0 | $4.85 |
| Oct 2024 | 1.8 | $8.30 |
| May 2014 | 1.8 | $4.10 |
| Jun 2024 | 1.0 | $5.20 |