Which Gyarados GX do you have?

Same name, 9× the price: $6.18 to $57 raw. The difference is printed on the card — it is just not somewhere most people think to look.

Transdimensional Beast · #056 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. $57 83% gem Transdimensional Beast · #051 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. $44 66% gem Crimson Invasion · #18 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 38% gem Transdimensional Beast · #008 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 79% gem Sun & Moon Family Box · #015 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. $9.49 84% gem Sun & Moon Black Star Promo · #SM212 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. $6.75 45% gem Hidden Fates · #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. $6.18 60% 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.