| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how much is a 1981 penny worth | 1.15 | 0.6 | 9171 | 99 |
| how much is a 1981 penny worth today | 0.79 | 0.1 | 3363 | 93 |
| how much is a 1980 penny worth | 0.96 | 0.1 | 5669 | 74 |
| how much is a 1980 penny worth today | 0.77 | 0.6 | 3575 | 43 |
| how much is a 1980 penny worth circulated | 1.98 | 0.5 | 4234 | 93 |
| how much is a 1981 canadian penny worth | 0.57 | 0.9 | 7870 | 91 |
| how much is a 1981 d penny worth | 0.18 | 0.4 | 6042 | 47 |
| how much is a 1981 copper penny worth | 1.18 | 0.4 | 8642 | 70 |
| how much is a 1981 no mint mark penny worth | 0.67 | 0.2 | 7270 | 35 |
| how much is a 1981 d penny worth today | 0.98 | 0.2 | 1551 | 34 |
