3 VFNH upper blocks of 6 of the 2c dark violet from the 1935-1965 Fourth Postage Due Issue with different shades, papers & gums.
The first block is dark violet on horizontal ribbed paper with smooth light cream gum, the second is deep reddish lilac on smooth paper with horizontal ribbing on gummed side and streaky cream gum (1950s) and the final block is dark violet on smooth paper with light cream gum with a satin sheen.
Unitrade values these at $24. The blocks offered here grade 75 and 84 as follows:
