Sudan 1951-61 Shilluk Warrior Official 5m imperf proof corner block of 6 on pink ungummed paper ex De La Rue archives, with frame and SG opt both doubled, one inverted, as SG O71
Sudan 1951-61 Shilluk Warrior Official 5m imperf proof corner block of 6 on pink ungummed paper ex De La Rue archives, with frame and SG opt both doubled, one inverted, as SG O71