Shiny Charizard Card Worth How Much Are The Following Pokemon Cards Worth?

How much are the following pokemon cards worth? - shiny charizard card worth

These are all original cards (basic set, or whatever they call themselves)

Could you please put the answer in pounds:) Thank you: D

Could you please put in parentheses and the number of the card if it is worth it, brilliant.

Gyarados
Machamp
Ninetales
Gengar
Pidgeot
Charizard
Chansey
Pixi
Aerodactyal
Alakazam
Blastoise
Venasaur
Zapdos

Thank you: D