| Sold | Grade | Monthly Average |
| Aug 2012 | 4.5 | $65.00 |
| Jun 2016 | 4.0 | $58.00 |
| May 2020 | 3.0 | $66.50 |
| Nov 2021 | 2.5 | $45.00 |
| Mar 2021 | 2.5 | $43.00 |
| Jul 2020 | 2.5 | $60.00 |
| Jun 2025 | 2.0 | $90.00 |
| Jan 2010 | 2.0 | $40.50 |
| Mar 2015 | 1.8 | $37.50 |
| Jan 2017 | 1.5 | $35.00 |
| Dec 2016 | 1.5 | $29.75 |
| Apr 2016 | 1.5 | $22.33 |
| Nov 2015 | 1.5 | $15.00 |
| Jan 2020 | 1.0 | $23.50 |
| Nov 2015 | 1.0 | $10.70 |
| Aug 2022 | 0.5 | $9.00 |
| Oct 2021 | 0.5 | $9.00 |
| Oct 2019 | 0.5 | $9.00 |
| May 2013 | 0.5 | $11.64 |