India 1882-87 QV ½a blue-green lower right corner block of four, variety: double impression with the doubling shifted down into the lower margin, mint with the upper pair lightly mounted and the lower pair remaining unmounted; diagonal gum bend and a vertical crease though of very fine appearance. A very rare multiple of this spectacular variety. SG 85a £6,800+. 2011 BPA certificate
Catalogue No: SG 85a
Catalogue Value: £6800
Condition: M