Most valuable card

What are your guys most valuable pokemon card. Mine is Pikachu VMAX 188

alakazam ex full illustration 10/10 graded pokemon scarlet and violet...worth over £100

I sold an alt art squirtle for 150$

I sold a Twilight Maserade special illustration rare Greninja Tera ex, does that count?

i sold many

pikachu ex gold surg

char and mew from paldea fate

My freind had one of the originol charizards

but mine is the Gmax Charizard which is 300 or more the highest i found online was 600$ for it lowest way 300$

I only have one card lol

What is it?