1924-26 Watermark Block Cypher 5d. brown Watermark inverted, S.G.N40(1)a,

horizontal marginal block of 6 from the lower left corner of the sheet, Control 'C 25', Imperforate margin, lightly folded between the second and third columns, minor gum creases or wrinkles, original gum, the lower three stamps unmounted. A SCARCE CONTROL BLOCK OF THE WATERMARK VARIETY.