Every Judge Whistle card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Judge Whistle card is worth
The most valuable Judge Whistle on this list is Judge Whistle (Secret) from SM - Team Up at $7.15£5.38€6.30, and the 2 priced copies across 1 sets are worth $8£6€7 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.
Judge Whistle is printed in Japanese as well: 2 cards across 1 sets, the most valuable of them Judge Whistle from Tag Bolt at $4.69£3.53€4.13. 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 Judge Whistle sold for $75.75£57.01€66.71. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Secret Rare.
If you are trying to identify which Judge Whistle 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 - Team Up.