Most Valuable Cards in Base Set

Charizard

Blastoise

Venusaur

Mewtwo

Raichu

Alakazam

Chansey

Clefairy

Zapdos

Gyarados

Nidoking

Ninetales

Magneton

Poliwrath

Hitmonchan

Dragonair

Pikachu

Dugtrio

Electabuzz

Pidgeotto

Item Finder

Clefairy Doll

Scoop Up

Electrode

Pokémon Breeder

Double Colorless Energy

Devolution Spray

Ivysaur

Beedrill

Impostor Professor Oak

Squirtle

Pokémon Trader

Wartortle

Voltorb

Nidorino

Arcanine

Lass

Dewgong

Bulbasaur

Super Energy Removal

Magmar

Charmeleon

Porygon

Magikarp

Computer Search

Maintenance

Kadabra

Raticate

Pokémon Flute

Charmander

Dratini

Revive

Haunter

Pidgey

Poliwhirl

Pokémon Center

Professor Oak

Full Heal

Kakuna

Abra

Growlithe

Farfetch'd

Seel

Defender

Gastly

Doduo

Poliwag

Drowzee

Onix

Metapod

Jynx

Machoke

Caterpie

Sandshrew

Nidoran♂

Rattata

Vulpix

Diglett

Tangela

Koffing

Psychic Energy

Starmie

Staryu

Magnemite

Weedle

PlusPower

Energy Retrieval

Machop

Pokédex

Fire Energy

Ponyta

Lightning Energy

Energy Removal

Switch

Fighting Energy

Water Energy

Grass Energy

Gust of Wind

Potion

Bill