| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| original penny black stamp value | 1.98 | 0.2 | 7633 | 41 |
| value of penny black stamp uk | 1.74 | 0.9 | 9304 | 32 |
| what is a penny black stamp worth | 0.18 | 1 | 7157 | 21 |
| penny black stamp price | 1.43 | 0.4 | 310 | 25 |
| penny black stamp for sale | 1.37 | 1 | 5958 | 34 |
| first penny black stamp | 1.3 | 0.1 | 6321 | 32 |
| ebay penny black stamp | 1.58 | 0.9 | 2562 | 26 |
| penny black postage stamp | 1.73 | 0.8 | 7601 | 59 |
| penny black stamps for sale on ebay | 1 | 0.6 | 7450 | 87 |
| value of penny black stamps | 0.42 | 1 | 1281 | 37 |
| black penny stamp worth | 1.16 | 0.7 | 1102 | 95 |
| british penny black stamp | 1.62 | 0.5 | 5701 | 87 |
| penny black postage stamps | 1.42 | 0.8 | 1923 | 93 |
