| Sold | Grade | Monthly Average |
| Sep 2011 | 6.0 | $52.00 |
| Aug 2020 | 5.0 | $26.00 |
| May 2012 | PGX 5.0 | $18.71 |
| Feb 2020 | 4.5 | $34.00 |
| May 2015 | 4.0 | $8.00 |
| Nov 2021 | 3.5 | $14.75 |
| Jun 2015 | 3.5 | $17.75 |
| May 2015 | 3.5 | $6.40 |
| Nov 2012 | 3.5 | $16.50 |
| Jan 2021 | 3.0 | $12.99 |
| Jun 2018 | 3.0 | $23.00 |
| May 2015 | 3.0 | $5.60 |
| Jun 2014 | 3.0 | $9.40 |
| Jun 2013 | 3.0 | $14.50 |
| Jul 2021 | 2.5 | $11.00 |
| Sep 2015 | 2.0 | $10.45 |
| Aug 2024 | 1.8 | $7.40 |
| Sep 2025 | 1.5 | $14.00 |