Every High Pressure System card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a High Pressure System card is worth
The most valuable High Pressure System on this list is High Pressure System from POP Series 3 at $4.98£3.75€4.39, and the 3 priced copies across 3 sets are worth $9£7€8 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.
The highest PSA 10 on record for High Pressure System sold for $72.50£54.57€63.85. 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 High Pressure System 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: POP Series 3, EX Dragon, EX Battle Stadium.