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SYRIA - POSTAGE DUE RARITY 1923 PD stamp of France 50c dull claret overprinted '2p50' for '3p' SURCHARGE ERROR variety, Maury 21A (Yvert 20a, SG D121a), never hinged mint presented as a BLOCK of 4 with base marginal from the French Mandated Territory issued for Lebanon and Syria. A wonderful very scarce multiply.