Lot 20531 – 1970 Indian Red Cross Society 20np colour trials i

1970 Indian Red Cross Society 20np colour trials in four different sets of colours (one in the chosen colours), with a single and a block of four of each, affixed on a cardboard page inscribed “Forwarded for selection of colours” and signed by the Assistant General Manager of the India Security Press, label affixed on the reverse indicating the colours used, fine