| Sold | Grade | Monthly Average |
| Feb 2020 | 8.0 | $8.00 |
| Jan 2018 | 8.0 | $8.00 |
| Aug 2015 | 8.0 | $4.40 |
| Nov 2012 | 8.0 | $4.40 |
| Mar 2012 | 8.0 | $5.40 |
| Aug 2018 | 7.0 | $7.00 |
| Mar 2024 | 6.5 | $15.50 |
| Sep 2023 | 6.0 | $18.00 |
| Aug 2010 | 6.0 | $4.80 |
| Sep 2008 | 6.0 | $3.00 |
| Jul 2008 | 6.0 | $3.00 |
| Mar 2024 | 5.0 | $11.00 |
| May 2017 | 4.0 | $3.20 |
| Mar 2017 | 4.0 | $3.20 |
| Oct 2015 | 4.0 | $2.60 |
| Jul 2015 | 4.0 | $2.40 |
| Dec 2022 | 2.0 | $5.70 |