| Sold | Grade | Monthly Average |
| Apr 2024 | 0.5 | $180.00 |
| Dec 2011 | 3.5 | $43.43 |
| Aug 2010 | 3.5 | $76.00 |
| Jan 2019 | 3.0 | $160.00 |
| Jun 2018 | 3.0 | $84.55 |
| Jan 2017 | 3.0 | $73.00 |
| Sep 2011 | 3.0 | $56.00 |
| Sep 2018 | 2.5 | $115.00 |
| Jun 2018 | 2.5 | $72.20 |
| Feb 2016 | 2.5 | $74.00 |
| May 2020 | 2.0 | $125.00 |
| Sep 2017 | 2.0 | $38.00 |
| Nov 2016 | 2.0 | $50.00 |
| Oct 2016 | 2.0 | $26.00 |
| Feb 2011 | 1.0 | $29.00 |