| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1981 penny errors value | 1.11 | 0.9 | 8138 | 17 | 23 |
| 1981 | 0.44 | 0.2 | 800 | 2 | 4 |
| penny | 1.24 | 0.4 | 7755 | 5 | 5 |
| errors | 0.13 | 0.7 | 9252 | 100 | 6 |
| value | 1.25 | 0.3 | 9649 | 14 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1981 penny errors value | 0.19 | 0.1 | 7909 | 46 |
| 1981 penny error value | 0.28 | 0.8 | 9467 | 25 |
| 1981 d penny error value | 0.94 | 0.8 | 1871 | 1 |
| 1981 penny error coin value | 0.37 | 0.6 | 7622 | 91 |
| value of 1981 penny | 0.5 | 0.5 | 1199 | 42 |
| value 1981 penny worth today | 1.04 | 1 | 5983 | 50 |
| rare 1981 d error penny | 0.01 | 0.6 | 6010 | 34 |
| worth of 1981 penny | 1.26 | 0.1 | 6903 | 73 |
| coin value penny 1981 | 1.64 | 0.4 | 4219 | 98 |
| rare 1981 penny worth | 1.01 | 1 | 9439 | 84 |
| value 1981 no mint mark penny | 0.87 | 0.7 | 9094 | 35 |
| is a 1981 penny worth anything | 1.36 | 0.3 | 6380 | 81 |
| is a 1981 penny valuable | 1.38 | 0.3 | 8369 | 55 |
| new penny 1981 worth | 0.74 | 0.1 | 2336 | 42 |
| how much does a 1981 penny cost | 1.85 | 0.6 | 3668 | 24 |
| what makes a 1981 penny valuable | 1.95 | 0.7 | 6257 | 89 |
| most expensive 1981 penny | 1.5 | 0.1 | 5514 | 22 |
