Contact me on here or on my msn which is greatmasacre@hotmail.com if you are interested. Thanks ^^

Here's a list of my holographic cards and promos:

Base Set
Alakazam
Blastoise
Chansey
Charizard
Clefairy (1st edition)
Gyarados x2
Hitmonchan
Machamp (1st edition)
Magneton
Mewtwo
Ninetales x2
Poliwrath x2
Raichu
Venusaur
Zapdos

Base Set 2
Chansey
Charizard
Clefable
Clefairy
Gyarados x2
Hitmonchan
Magneton
Mewtwo
Nidoking x2
Nidoqueen
Poliwrath
Raichu
Venusaur
Wigglytuff x3
Zapdos

Jungle
Jolteon
Kangaskhan
Vaporean x2

Gym Challenge
Blaine's Arcanine
Giovanni's Persian
Koga's Beedrill x2
Sabrina's Alakazam

Gym Heroes
Brock's Rhydon (1st Edition)
Brock's Rhydon
Erika's Vileplume
Lt. Surge's Magneton x2
Misty's Tentacruel

Fossil
Dragonite
Hitmonlee
Muk x2
Zapdos

Team Rocket
Dark Charizard
Dark Alakazam (1st Edition)
Dark Arbok
Dark Blastoise
Dark Gyarados (1st Edition)
Rainbow Energy (1st Edition)

Neo Genesis
Bellossom (1st Edition)
Heracross
Jumpluff x2
Kingdra x2
Lugia (1st Edition)
Steelix
Metal Energy

Neo Destiny
Dark Houndoom
Dark Scizor

Neo Revelation
Jumpluff (1st Edition)

Neo Discoveries
Hitmontop
Magnemite
Unknown [A]
Kabutops (Japanese)
Houndoor

Promo
Electabuzz x3 (Promo 2)
Mewtwo (Promo 3)
Pikachu x3 (Promo 4)
Mewtwo (Promo 14)
Dark Persian (Promo 17)
Sabrina's Abra (Promo 19)
Moltres (Promo 21)
Articuno x2 (Promo 22)
Zapdos (Promo 23)
Pikachu (Promo 27)
Entei (Promo 34 and holographic)
Also, I have an ancient mew promo that looks like this:
http://pallettribune.com/wp-content/uploads/2009/11/AncientMew.jpg

I also have a giant base set pikachu card that I think was some sort of promo too. It's exactly the same as the base set pikachu except on the back it says "not for play use" and it's size is about 8 inches by 6 inches.