India 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 was increased to 1a3p]. (SG catalogue price: £408+) Unmounted Mint. SG 250a/w
