 | First Day of Issue = June 28, 1928 Size: 23.00 mm x 29.00 mm Perforated 10.00 x 10.00 Print method: Lithography There are 2 varieties of the 20 santim stamp. They can be told apart by the appearance of the "20" in the stamp denomination.This is a Type I with the "0" being vertical.  Watermark  Catalog numbers Scott 146 Michel LV 121I |