Spain 1870 Marshal Serrano 50m blue imperforate proof block of 4 with design doubly printed, on ungummed paper, as SG177 (small natural paper flaws appear as ink blots at bottom)

Spain 1870 Marshal Serrano 50m blue imperforate proof block of 4 with design doubly printed, on ungummed paper, as SG177 (small natural paper flaws appear as ink blots at bottom)

Spain 1870 Marshal Serrano 50m blue imperforate proof block of 4 with design doubly printed, on ungummed paper, as SG177 (small natural paper flaws appear as ink blots at bottom)

Spain 1870 Marshal Serrano 50m blue imperforate proof block of 4 with design doubly printed, on ungummed paper, as SG177 (small natural paper flaws appear as ink blots at bottom)

Spain 1870 Marshal Serrano 50m blue imperforate proof block of 4 with design doubly printed, on ungummed paper, as SG177 (small natural paper flaws appear as ink blots at bottom)

£45.00

SKU: 78414