Every Poliwhirl card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Poliwhirl card is worth
The most valuable Poliwhirl on this list is Poliwhirl from Skyridge at $179.99£135.47€158.51, and the 20 priced copies across 19 sets are worth $532£400€468 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Poliwhirl is printed in Japanese as well: 22 cards across 18 sets, the most valuable of them Poliwhirl from Vending Machine cards Series 1 (Blue) at $43.33£32.61€38.16. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Poliwhirl sold for $1,896£1,427€1,670. 1st Edition and reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Illustration Rare.
If you are trying to identify which Poliwhirl you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: Skyridge, Expedition, EX Unseen Forces.