| Sold | Grade | Monthly Average |
| Sep 2013 | 4.0 | $19.80 |
| May 2023 | 3.5 | $13.25 |
| May 2025 | 3.0 | $23.50 |
| Dec 2019 | 3.0 | $14.00 |
| Sep 2021 | 2.5 | $10.00 |
| May 2021 | 2.5 | $10.00 |
| Apr 2021 | 2.5 | $10.00 |
| Dec 2022 | 2.0 | $8.30 |
| May 2021 | 2.0 | $8.30 |
| Dec 2009 | 2.0 | $13.00 |
| Sep 2016 | 1.8 | $7.64 |
| Dec 2015 | 1.8 | $8.50 |
| Nov 2023 | 1.0 | $4.20 |