| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1949 penny error | 1.4 | 1 | 3920 | 75 | 16 |
| 1949 | 0.62 | 0.7 | 8029 | 9 | 4 |
| penny | 1.88 | 0.5 | 8171 | 41 | 5 |
| error | 0.04 | 0.1 | 2851 | 79 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1949 penny error | 1.66 | 0.4 | 2049 | 45 |
| 1948 penny error | 0.19 | 0.4 | 7838 | 24 |
| 1940 - 1949 wheat penny errors | 0.64 | 0.8 | 5723 | 52 |
| 1949 error wheat penny ddo | 0.44 | 0.5 | 1319 | 21 |
| 1949 d penny error | 1.29 | 0.9 | 3521 | 29 |
| 1949 s wheat penny error | 0.55 | 0.8 | 426 | 49 |
| 1949 wheat penny error | 0.79 | 0.8 | 4490 | 25 |
| 1949 d wheat penny error value | 1.61 | 0.7 | 234 | 39 |
| 1949 s penny error | 1.42 | 0.5 | 5642 | 69 |
| 1947 penny errors | 0.61 | 0.8 | 4253 | 65 |
| 1948 s penny error | 0.1 | 0.3 | 7602 | 77 |
| 1948 wheat penny error | 1.04 | 0.6 | 3758 | 36 |
| 1948 s wheat penny error | 1.19 | 0.6 | 7446 | 23 |
| 1948 d wheat penny error | 0.4 | 0.8 | 4540 | 27 |
| 1948 d penny errors | 1.05 | 0.5 | 7897 | 63 |
