| Sold | Grade | Monthly Average |
| Jul 2025 | 4.5 | $38.00 |
| Jun 2023 | 3.5 | $40.00 |
| Jul 2012 | 3.5 | $8.00 |
| Jul 2024 | 3.0 | $16.00 |
| Jun 2023 | 3.0 | $11.99 |
| May 2016 | 3.0 | $7.70 |
| Dec 2024 | 2.0 | $7.64 |
| Jul 2022 | 2.0 | $15.00 |
| Mar 2022 | 2.0 | $12.00 |
| Jun 2018 | 2.0 | $8.49 |
| Aug 2012 | 2.0 | $4.75 |
| Apr 2012 | 2.0 | $5.00 |
| May 2011 | 2.0 | $5.00 |
| Apr 2025 | 1.8 | $6.80 |
| May 2012 | 1.8 | $4.40 |
| Jun 2018 | 1.5 | $6.49 |
| May 2022 | 1.0 | $3.90 |