Which Magikarp 1st Edition do you have?
Same name, 218× the price: $3.00 to $654 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Pokémon Web · #035
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$654
51% gem
Mysterious Mountains · #026
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$74
37% gem
Base Expansion Pack · #012
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$51
42% gem
Intense Fight in the Destroyed Sky · #016
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$17
36% gem
EX Battle Boost · #022
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$12
43% gem
SoulSilver Collection · #022
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$9.99
53% gem
Clash of the Blue Sky · #023
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$8.17
47% gem
Flight of Legends · #034
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$6.39
35% gem
Bandit Ring · #019
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$4.73
78% gem
Rulers of the Heavens · #013
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$3.74
39% gem
Expansion Pack 20th Anniversary · #031
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$3.00
76% gem
We have no hand-checked note for these printings yet, so the guidance above is the general rule rather than something specific to this card.
Prices are raw market value. Click a printing for its full grading verdict — the gem rate, the fees and whether it beats selling raw.