| Sold | Grade | Monthly Average |
| May 2021 | 4.0 | $25.00 |
| Nov 2024 | 3.5 | $11.64 |
| Jul 2024 | 3.5 | $11.64 |
| Sep 2021 | 3.5 | $10.50 |
| Aug 2014 | 3.5 | $12.00 |
| Jul 2011 | 3.5 | $9.60 |
| Jan 2024 | 3.0 | $5.80 |
| Mar 2023 | 3.0 | $9.70 |
| Feb 2016 | 3.0 | $14.50 |
| Jul 2013 | 3.0 | $8.40 |
| Nov 2016 | 2.5 | $8.60 |
| Nov 2025 | 2.0 | $9.00 |
| Apr 2024 | 2.0 | $7.80 |
| Mar 2024 | 2.0 | $7.80 |
| Aug 2017 | 2.0 | $6.48 |
| Apr 2014 | 2.0 | $6.50 |
| Nov 2012 | 1.8 | $6.00 |
| Mar 2018 | 1.5 | $6.30 |
| Feb 2018 | 1.5 | $6.30 |
| Aug 2015 | 1.0 | $4.70 |
| Aug 2016 | 0.5 | $1.35 |