Which Magikarp Unlimited do you have?
Same name, 19× the price: $2.99 to $56 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Mysterious Mountains · #26
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.
$56
37% gem
Intense Fight in the Destroyed Sky · #16
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.
$13
36% gem
Clash of the Blue Sky · #23
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.
$6.99
47% gem
Flight of Legends · #34
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.
$6.25
35% gem
Bandit Ring · #19
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.
$4.00
78% gem
Pokémon Web · #35
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.
$3.60
51% gem
Rulers of the Heavens · #13
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.
$2.99
39% 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.