Rare Dime Struck On Very Thin Planchet Weighs 0.3 Grams Genuine What Is It

US MINT STRIKE ON A NON SILVER, VERY THIN, METAL PIECE! WHAT TYPE OF ERROR IS THIS?? Please let me know the error type and what price adjustments need to be made to match the error coin. Roosevelt Dime reverse die struck on wafer thin piece of metal.

Reverse side has incuse features directly opposite of obverse feature. Reeds show on the edge!! Reverse features are mushy but are directly opposite obverse features.

Search terms; major error, rare error, super rare error, mint error, down tray.

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