Every Great Ball card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Great Ball card is worth
The most valuable Great Ball on this list is Great Ball from EX FireRed & LeafGreen at $11.34£8.54€9.99, and the 42 priced copies across 20 sets are worth $44£33€39 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.
Great Ball is printed in Japanese as well: 7 cards across 6 sets, the most valuable of them Great Ball from 25th Anniversary Golden Box at $2.74£2.06€2.41. 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 Great Ball sold for $324.66£244.35€285.92. 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 Great Ball 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 FireRed & LeafGreen, EX Delta Species, EX Power Keepers.