SG136b. 1934.
1pi 'IMPERFORATE BETWEEN, HORIZONTAL PAIR'.
Brilliant fresh well centred top corner sheet marginal mint with beautiful colour and perforations.
David Brandon Certificate.
THE UNIQUE CORNER SHEET MARGINAL PAIR IMPERFORATE BETWEEN.
'ONLY TEN MINT PAIRS EXISTED'.
Ex. Dale-Lichtenstein (May 26 1992. Lot. 12).