Every Metal Core Barrier card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Metal Core Barrier card is worth
The most valuable Metal Core Barrier on this list is Metal Core Barrier (Secret) from SM - Unbroken Bonds at $3.28£2.47€2.89, and the 2 priced copies across 1 sets are worth $4£3€3 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.
Metal Core Barrier is printed in Japanese as well: 4 cards across 2 sets, the most valuable of them Metal Core Barrier from Full Metal Wall at $3.31£2.49€2.92. 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 Metal Core Barrier sold for $20.26£15.25€17.84. 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 Metal Core Barrier 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 - Unbroken Bonds.