Metal Core Barrier (Secret).
updated Aug 14, 2026
Price history and graded value
Grading odds
PSA has graded 211 copies. Where they landed:
Weighting every grade by how often this card actually comes back at it, a submission is worth $17.23 on average. The card plus the $25 fee costs $28.06, so grading loses $10.83 on an average submission. Only 41.2% of copies reach a 10, which is why the top price is the wrong number to plan around.
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What moves the price of this card
The Metal Core Barrier (Secret) on this page is the Holofoil printing from SM - Unbroken Bonds, and it trades at $3.24 in near mint condition. Only one printing of this card was produced, so there is no cheaper version to confuse it with.
Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it, which is why the PSA 10 sits at $20.26. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.