unused Block Larger Than four 2c. on 5c., small figures surcharge, left margin block of six (pencil notation in the margin) with variety surcharge inverted, one additionally shows second character sideways, mint. S.G. J274ca. £850+

Details
unused Block Larger Than four 2c. on 5c., small figures surcharge, left margin block of six (pencil notation in the margin) with variety surcharge inverted, one additionally shows second character sideways, mint. S.G. J274ca. £850+