Cloud Key [Serialized] Sold Prices & eBay Comps (2026)

Sold prices for Cloud Key [Serialized] — current market $344.99. Browse recent eBay, PSA APR, and auction sold listings on Guardian TCG.

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Prices updated September 12, 2026. Data sourced from TCGPlayer, eBay, and more. Guardian TCG — free multi-source card pricing for 14+ TCGs.

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