| Sold | Grade | Monthly Average |
| Apr 2012 | PGX 7.0 | $12.00 |
| Dec 2012 | 6.5 | $10.02 |
| Feb 2024 | 4.5 | $15.25 |
| Sep 2020 | 4.5 | $13.00 |
| Jul 2016 | 4.5 | $7.51 |
| Apr 2022 | 4.0 | $12.00 |
| Feb 2016 | 4.0 | $7.75 |
| May 2017 | 3.0 | $5.40 |
| Feb 2016 | 3.0 | $5.40 |
| Jun 2015 | 3.0 | $9.70 |
| Mar 2023 | 2.0 | $4.75 |
| Apr 2018 | 2.0 | $6.49 |
| Aug 2010 | 2.0 | $6.49 |
| Sep 2020 | 1.8 | $4.40 |
| Dec 2019 | 1.8 | $4.40 |
| Aug 2015 | 1.8 | $6.46 |
| Aug 2014 | 1.8 | $6.46 |
| Nov 2020 | 1.5 | $12.00 |
| Nov 2016 | 1.0 | $2.40 |
| Dec 2014 | 1.0 | $4.30 |