Republic bi-metallic Proof "Charles Louis Montesquieu" 10 Francs 1989 PR67 Ultra Cameo NGC, Paris mint, KM969a. Mintage: 5,000. Bimetallic: Center in gold (.750), palladium (.150), silver (.100) and outer ring in gold (.920), silver (.40), copper (.40). Commemorating the 300th anniversary of the Montesquieu. HID09801242017 © 2023 Heritage Auctions | All Rights Reserved

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