| Sold | Grade | Monthly Average |
| Dec 2018 | 4.5 | $50.00 |
| Mar 2020 | 4.0 | $43.00 |
| Aug 2023 | 3.5 | $60.00 |
| Dec 2020 | 3.0 | $41.00 |
| Aug 2014 | 3.0 | $26.00 |
| Aug 2022 | 2.0 | $10.25 |
| Sep 2021 | 2.0 | $10.25 |
| Aug 2021 | 2.0 | $10.25 |
| May 2019 | 1.8 | $16.00 |
| Mar 2022 | 1.5 | $8.20 |
| Mar 2018 | 1.5 | $16.50 |
| Feb 2019 | 1.0 | $8.49 |
| Nov 2013 | 1.0 | $9.10 |
| Mar 2013 | 1.0 | $9.10 |