Every Iron Thorns card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Iron Thorns card is worth
The most valuable Iron Thorns on this list is Iron Thorns (Pokemon Center) from Scarlet & Violet Promo Cards at $37.65£28.34€33.16, and the 11 priced copies across 8 sets are worth $53£40€46 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.
Iron Thorns is printed in Japanese as well: 10 cards across 4 sets, the most valuable of them Iron Thorns ex from Start Deck 100 Battle Collection at $8£6.02€7.05. 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 Iron Thorns sold for $341.92£257.34€301.12. 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 Iron Thorns 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: Scarlet & Violet Promo Cards, World Championship Decks, Twilight Masquerade.