| Quality | Average ($/Oz.)* | Sample Size |
|---|---|---|
| High Quality | $374.88 | 4 |
| Medium Quality | $233.74 | 6 |
| Low Quality | I feel bad for these guys --> | 0 |
| Twickenham, Richmond upon Thames | $231 | an ounce | medium quality | Oct 28, 2018 |
| Twickenham, Richmond upon Thames | $26 | an eighth | high quality | Jul 19, 2018 |
| Twickenham, Richmond upon Thames | $20 | a gram | high quality | Jun 28, 2018 |
| Twickenham, Richmond upon Thames | $13 | a gram | medium quality | Jan 23, 2018 |
| Twickenham, Richmond upon Thames | $14 | a gram | medium quality | Sep 18, 2017 |