| Sold | Grade | Monthly Average |
| May 2016 | 5.5 | $140.00 |
| May 2023 | 4.5 | $200.00 |
| Sep 2014 | 4.5 | $41.00 |
| Jan 2010 | 4.5 | $72.00 |
| Jan 2019 | 4.0 | $32.00 |
| Nov 2012 | 4.0 | $92.00 |
| Jul 2021 | 3.5 | $46.00 |
| Dec 2022 | 3.0 | $55.00 |
| Nov 2022 | 3.0 | $56.00 |
| Feb 2022 | 3.0 | $61.00 |
| Dec 2021 | 3.0 | $44.00 |
| Sep 2021 | 3.0 | $59.00 |
| Feb 2023 | 2.5 | $47.00 |
| Jan 2023 | 2.5 | $39.00 |
| Jun 2017 | 2.5 | $49.50 |
| Jun 2016 | 2.5 | $28.00 |
| Feb 2012 | 2.5 | $50.00 |