| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| errors to look for with 1997 quarter | 1.96 | 0.7 | 4341 | 80 |
| errors to look for on quarters | 0.47 | 0.8 | 9071 | 96 |
| quarter errors to look for | 1.69 | 0.8 | 8328 | 99 |
| is a 1997 quarter worth anything | 0.87 | 0.9 | 2062 | 32 |
| errors on quarters 1900 to 1999 | 1.39 | 0.6 | 3821 | 99 |
| what is a 1997 quarter worth today | 0.62 | 0.6 | 6957 | 100 |
| value of a 1997 quarter | 1.28 | 0.5 | 2308 | 72 |
| pennsylvania 1999 quarter errors | 0.79 | 0.9 | 9021 | 97 |
| quarter errors by year | 1.17 | 1 | 3652 | 42 |
| united states quarter errors | 1.24 | 0.2 | 1309 | 40 |
| errors on 2017 quarters | 1.28 | 0.6 | 5676 | 82 |
| rare us quarter errors | 1.46 | 0.5 | 7994 | 65 |
| quarters worth money 1997 | 0.41 | 0.7 | 3024 | 91 |
| value of 1997 quarter coin | 0.68 | 0.8 | 2431 | 73 |
| list of quarter errors | 1.99 | 0.2 | 5630 | 48 |
| state quarter error coins 1999 | 0.53 | 0.9 | 3386 | 65 |
| errors on 1974 quarters | 0.15 | 0.3 | 8659 | 3 |
| error on 1999 georgia quarter | 1.35 | 0.3 | 4532 | 5 |
| state quarter error coins 2007 | 1.24 | 0.3 | 5093 | 23 |
