| Sold | Grade | Monthly Average |
| May 2012 | 6.0 | $58.40 |
| Feb 2013 | 5.0 | $46.06 |
| Oct 2022 | 4.5 | $150.00 |
| Aug 2012 | 4.5 | $54.00 |
| Mar 2022 | 4.0 | $91.00 |
| Jan 2019 | 4.0 | $74.00 |
| Apr 2017 | 4.0 Restored | $34.75 |
| Jun 2022 | 3.5 | $68.00 |
| Jan 2019 | 2.5 | $49.00 |
| Apr 2014 | 2.5 | $16.00 |
| Jun 2023 | 1.8 | $37.00 |
| May 2022 | 1.8 | $37.00 |
| Jul 2015 | 1.0 | $23.00 |
| Mar 2013 | 1.0 | $18.50 |
| Oct 2022 | 0.5 | $11.25 |
| Apr 2021 | 0.5 | $34.95 |
| Aug 2020 | 0.5 | $35.00 |