| Sold | Grade | Monthly Average |
| Jun 2024 | 1.5 | $26.00 |
| Dec 2023 | 1.5 | $4.60 |
| Feb 2011 | 5.5 | $18.75 |
| Apr 2011 | 4.0 | $14.00 |
| Jan 2023 | 3.5 | $42.00 |
| May 2017 | 3.5 Restored | $10.35 |
| Feb 2014 | 3.5 | $7.25 |
| Sep 2016 | 3.0 | $14.50 |
| Sep 2022 | 2.5 | $36.00 |
| Jan 2020 | 2.0 | $6.60 |
| May 2015 | 2.0 | $10.50 |
| Mar 2014 | 2.0 | $7.00 |
| Jan 2012 | 2.0 | $7.80 |
| Jun 2011 | 2.0 | $7.00 |
| May 2011 | 2.0 | $7.00 |
| Jan 2010 | 1.8 | $3.30 |
| Nov 2017 | 1.5 | $7.60 |
| Oct 2013 | 1.0 | $2.30 |
| May 2019 | 0.5 | $2.70 |
| Aug 2016 | 0.5 | $2.20 |