Air Mail Block of Four 1939 Sarabia Flight 20c., a superb lower left corner block of four, hinged only in right margin. Fine and fresh. Y.89, FF.16,000
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Air Mail Block of Four 1939 Sarabia Flight 20c., a superb lower left corner block of four, hinged only in right margin. Fine and fresh. Y.89, FF.16,000
