| Sold | Grade | Monthly Average |
| Sep 2023 | 5.5 | $57.00 |
| Feb 2014 | 9.4 | $129.50 |
| Nov 2014 | 9.2 | $138.50 |
| Jul 2014 | 9.2 | $24.00 |
| May 2015 | 9.0 | $159.95 |
| Jan 2023 | 8.5 | $125.00 |
| Apr 2020 | 8.5 | $98.00 |
| Oct 2019 | 8.0 | $41.00 |
| Feb 2016 | 8.0 | $155.00 |
| Aug 2014 | 8.0 | $159.95 |
| Jul 2019 | 7.5 | $90.00 |
| Mar 2018 | 7.5 | $129.99 |
| Jul 2019 | 7.0 | $84.00 |
| Apr 2015 | 7.0 | $3.60 |
| Jul 2019 | 4.0 | $45.00 |