| Sold | Grade | Monthly Average |
| Feb 2014 | 5.5 | $112.00 |
| Aug 2014 | PGX 4.0 | $18.99 |
| Aug 2018 | 3.0 | $142.00 |
| May 2017 | 3.0 | $55.10 |
| Oct 2024 | 1.8 | $179.00 |
| Oct 2019 | 1.8 | $52.00 |
| Feb 2025 | 0.5 | $25.00 |
| Dec 2019 | 0.5 | $160.00 |
| Sep 2019 | 0.5 | $26.60 |
| Mar 2015 | 0.5 | $11.75 |
| May 2012 | 0.1 | $4.50 |