| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1972 penny error list | 1.48 | 0.6 | 3461 | 1 | 21 |
| 1972 | 1.73 | 0.3 | 5293 | 12 | 4 |
| penny | 0.45 | 0.8 | 9144 | 48 | 5 |
| error | 0.11 | 0.1 | 9833 | 69 | 5 |
| list | 0.64 | 0.4 | 230 | 99 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1972 penny error list | 0.08 | 0.1 | 5837 | 77 |
