Which Wailmer Unlimited do you have?
Same name, 2× the price: $2.84 to $4.98 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Clash at the Summit · #22
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.
$4.98
no PSA data
ADV Expansion Pack · #21
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
29% gem
Mirage Forest · #25
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.
$2.84
30% gem
Dragon Blast · #11
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.
$2.84
100% gem
Magma vs Aqua: Two Ambitions · #32
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.