Every Sentret card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Sentret card is worth
The most valuable Sentret on this list is Sentret from EX Team Rocket Returns at $55.88£42.06€49.21, and the 12 priced copies across 12 sets are worth $150£113€132 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.
Sentret is printed in Japanese as well: 13 cards across 13 sets, the most valuable of them Sentret from Legends Promos at $45£33.87€39.63. 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 Sentret sold for $1,013£762.05€891.68. 1st Edition and 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 Sentret 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, Aquapolis, EX Legend Maker.