India 1937-40 1a scarlet SG250a/wIndia 1937 40 1a scarlet, uncut booklet sheet of 256 (16 x 16, four panes each 16 x 4 with two rows inverted) including 112 vertical tete beche pairs (of which 48 are interpane), unmounted original gum. Folded, with odd minor bends and marginal blemishes, but fresh and fine. A fascinating item, now seldom seen in this form. [Originally intended for the manufacture of 1r booklets as. SG SB22, but placed into normal stock in 1940, when the letter rate