Every Rocket's Entei card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Rocket's Entei card is worth
The most valuable Rocket's Entei on this list is Rocket's Entei ex from EX Team Rocket Returns at $503.99£377.68€439.78, and the 1 priced copies across 1 sets are worth $504£378€440 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.
Rocket's Entei is printed in Japanese as well: 2 cards across 2 sets, the most valuable of them Rocket's Entei from Pokemon VS at $212.99£159.61€185.86. 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 Rocket's Entei sold for $9,099£6,818€7,939.
If you are trying to identify which Rocket's Entei 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: EX Team Rocket Returns.