| Sold | Grade | Monthly Average |
| Jan 2023 | 5.5 | $40.00 |
| Sep 2012 | 5.5 | $32.50 |
| Aug 2022 | 4.5 | $41.00 |
| Mar 2022 | 4.5 | $39.00 |
| Aug 2018 | 4.5 | $26.50 |
| Mar 2018 | 4.5 | $26.50 |
| Jan 2016 | 4.5 | $25.18 |
| May 2011 | 4.0 | $24.00 |
| Jul 2014 | 3.5 | $18.90 |
| Jul 2023 | 3.0 | $24.00 |
| Jan 2018 | 3.0 | $15.50 |
| Aug 2018 | 1.0 | $8.00 |
| Sep 2017 | 1.0 | $7.20 |
| Sep 2015 | 1.0 | $8.00 |