Rock Guard.
updated Aug 14, 2026
Price history and graded value
Grading odds
PSA has graded 30 copies. Where they landed:
Weighting every grade by how often this card actually comes back at it, a submission is worth $20.77 on average. The card plus the $25 fee costs $26.94, so grading loses $6.17 on an average submission. Only 6.7% 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 Rock Guard on this page is the Holofoil printing from Plasma Freeze, and it trades at $2.95 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 $49.90. 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.