2023 | French Marocco

(★)Yvert 14(15), 14a(6). 1913. 50 m violeta gris, bloque de veintiuno. Seis sellos DOBLE IMPRESION (una de ellas vertical). MAGNIFICO Y EXTRAORDINARIAMENTE RARO BLOQUE, PROBABLEMENTE UNICO CONOCIDO. Yvert 2021: ++4.500 Euros

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(★)Yvert 14(15), 14a(6). 1913. 50 m gray violet, block of twenty-one. Six DOUBLE IMPRESSION stamps (one of them vertical). MAGNIFICENT AND EXTRAORDINARY RARE BLOCK, PROBABLY THE ONLY KNOWN. Yvert 2021: ++4,500 Euros