| Sold | Grade | Monthly Average |
| May 2012 | 4.5 | $137.00 |
| Feb 2012 | 4.0 | $100.00 |
| Aug 2022 | 3.5 | $275.00 |
| Jan 2025 | 3.0 | $257.00 |
| Jan 2023 | 3.0 | $275.00 |
| Jun 2012 | 3.0 | $111.00 |
| Feb 2015 | 2.5 | $110.00 |
| May 2014 | 2.0 | $68.00 |
| Aug 2017 | 1.5 | $75.00 |
| Dec 2016 | 0.3 | $34.95 |
| Jul 2016 | 0.3 | $10.75 |