Efficient Construction Sold Prices & eBay Comps (2026)

Sold prices for Efficient Construction — current market $2.44. Browse recent eBay, PSA APR, and auction sold listings on Guardian TCG.

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Prices updated August 13, 2026. Data sourced from TCGPlayer, eBay, and more. Guardian TCG — free multi-source card pricing for 14+ TCGs.

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How Much Is It Worth?

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Investment & Analysis

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Grading & Condition

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