Which Marshtomp 1st Edition do you have?
Same name, 2× the price: $2.00 to $3.99 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Water Quick Construction Pack · #002
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.
$3.99
57% gem
Tidal Storm · #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.
$2.99
87% gem
Earth's Groudon Constructed Starter Deck · #006
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.
$2.32
70% gem
Miracle Crystal · #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.
$2.00
22% gem
Magma vs Aqua: Two Ambitions · #029
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.
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100% 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.