Every Hippopotas card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Hippopotas card is worth
The most valuable Hippopotas on this list is Hippopotas from Rising Rivals at $8.99£6.77€7.92, and the 16 priced copies across 14 sets are worth $27£20€24 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.
Hippopotas is printed in Japanese as well: 14 cards across 13 sets, the most valuable of them Hippopotas from Entry Pack '08 at $5£3.76€4.40. 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 Hippopotas sold for $92£69.24€81.02. reverse holo printings are priced separately from the standard card, because they do not trade at the same money.
If you are trying to identify which Hippopotas 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: Rising Rivals, Diamond and Pearl, XY - Primal Clash.