| Sold | Grade | Monthly Average |
| Apr 2021 | 9.4 | $46.00 |
| Jun 2020 | 9.4 | $54.00 |
| Feb 2020 | 9.4 | $54.00 |
| Sep 2018 | 9.4 | $39.99 |
| May 2018 | 9.4 | $31.95 |
| Jan 2018 | 9.4 | $31.95 |
| Dec 2017 | 9.4 | $44.00 |
| Aug 2015 | 9.4 | $31.95 |
| Jul 2015 | 9.4 | $31.95 |
| Sep 2022 | 8.0 | $55.00 |
| May 2020 | 8.0 | $32.00 |
| Nov 2019 | 8.0 | $25.60 |
| Jul 2019 | 8.0 | $45.00 |