Los-Nr. 385

1936, Pirita 5s. imperforated, block of four from the upper left sheet margin, mint never hinged, with hinge in margin only, fine ​(Hurt/Ojaste G:1)  A complete set of the Pirita proofs consists of the 5 S., the 15 S. and the 25 S. values, no proofs are known to exist for the 10 S. Pirita value