| Sold | Grade | Monthly Average |
| Jan 2017 | 6.0 | $4.80 |
| Feb 2025 | 5.0 | $4.80 |
| Nov 2022 | 4.0 | $4.00 |
| May 2022 | 4.0 | $4.00 |
| Aug 2020 | 4.0 | $4.00 |
| Jan 2019 | 4.0 | $3.60 |
| Jul 2017 | 4.0 | $2.24 |
| Nov 2019 | 3.5 | $3.20 |
| Aug 2017 | 3.5 | $3.30 |
| Aug 2019 | 3.0 | $2.70 |
| Jan 2024 | 2.0 | $2.50 |
| Sep 2020 | 2.0 | $2.00 |
| May 2010 | 2.0 | $1.49 |
| Oct 2004 | 2.0 | $1.40 |
| Jul 2020 | 1.8 | $2.00 |
| Sep 2011 | 1.0 | $1.10 |