Every Slowpoke & Psyduck card we price, most valuable first. Prices are what copies actually sold for, updated daily.
The same Pokemon is also printed as Slowpoke and Galarian Slowpoke, priced separately because the game treats them as different cards.
What a Slowpoke & Psyduck card is worth
The most valuable Slowpoke & Psyduck on this list is Slowpoke & Psyduck GX (Alternate Full Art) from SM - Unified Minds at $347.16£261.29€305.73, and the 4 priced copies across 1 sets are worth $883£665€778 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.
Slowpoke & Psyduck is printed in Japanese as well: 4 cards across 1 sets, the most valuable of them Slowpoke & Psyduck GX from Miracle Twin at $300£225.79€264.20. 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 Slowpoke & Psyduck sold for $2,324£1,749€2,046. Rarities here include Secret Rare.
If you are trying to identify which Slowpoke & Psyduck 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: SM - Unified Minds.