Face value Type I (value spaced away from left side of stamp). ya = 2 phosphor stripes 9.5 mm wide (each over 2 stamps). uu = OCP/PVA (coated paper with Polyvinyl alcohol-gumming). SG colour = Lake brown.
Face value Type II (value spaced close to left side of stamp). ya = 2 phosphor stripes 9.5 mm wide (each over 2 stamps). uu = OCP/PVA (coated paper with Polyvinyl alcohol-gumming). SG colour = Lake brown.