India 1949 Definitive 1st Series Qutub Minar Shades + Shifting + Inv Wmk (Read Description) #ER6
India 1995 Tamil Studies MNH Error BLACK OMITTED listed rare error #ER6
India 1974 Mask 4v SPECIMEN Very Rare Set #ER6
India 1974 UPU 3v SPECIMEN Set Very Rare #ER6