| Sold | Grade | Monthly Average |
| Oct 2013 | PGX 9.6 | $47.04 |
| Jan 2014 | CGC 9.4 | $53.00 |
| Mar 2023 | 9.2 | $35.00 |
| Oct 2017 | 9.2 | $50.40 |
| Dec 2011 | 9.2 | $31.00 |
| Dec 2017 | 8.0 | $38.00 |
| Apr 2016 | 8.0 | $24.00 |
| Sep 2019 | 7.0 | $29.50 |
| Mar 2023 | CBCS 5.5 | $21.00 |
| Jun 2011 | 5.5 | $20.50 |
| Jul 2022 | 4.0 | $19.50 |
| Mar 2019 | 3.5 | $11.00 |
| Jun 2024 | 3.0 | $14.00 |
| Feb 2023 | 3.0 | $14.00 |
| Oct 2012 | 2.5 | $5.49 |
| Sep 2012 | 2.0 | $4.60 |
| Jun 2023 | 1.0 | $5.00 |
| Nov 2014 | 1.0 | $2.60 |