Netherlands 5 Euro 2016 Wadden Sea, UNESCO World Heritage. – Proof / Silver (only these Ø33mm is Silver )

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Netherlands      5 Euro    2016     Wadden Sea,  UNESCO World Heritage.  – Proof / Silver (only these Ø33mm is Silver )

(The Ø 29mm are the Silver plated copper) this is the Ø33 Silver coin

KM# 370 , N# 91148