PAKISTAN 1964 (PROOF) 50P SHALIMAR GARDENS IMPERF BLOCK WITH OFFSET
50p Shalimar Gardens top marginal imperforate proof block x 4 with strong offset on gummed side, redrawn Bengali inscription at top right, non-watermarked paper as issued. Very unusual and scarce. Fresh and fine. Mint never hinged. SG179var; SC138avar