| Sold | Grade | Monthly Average |
| Feb 2019 | 8.0 | $8.00 |
| Sep 2010 | 8.0 | $1.60 |
| Nov 2009 | 8.0 | $1.30 |
| Sep 2023 | 7.0 | $7.00 |
| Jul 2017 | 7.0 | $7.00 |
| Apr 2023 | 6.0 | $6.00 |
| Sep 2022 | 6.0 | $7.10 |
| Mar 2017 | 6.0 | $6.00 |
| Nov 2012 | 6.0 | $3.00 |
| Jun 2012 | 6.0 | $2.60 |
| Sep 2022 | 4.5 | $5.20 |
| Dec 2020 | 4.5 | $4.49 |
| Aug 2017 | 4.5 | $4.49 |
| Aug 2023 | 4.0 | $4.00 |
| Dec 2022 | 4.0 | $4.35 |