A color proof of the reverse side of the 1919 10 zlotych coin, in a brick-red color.
A single-sided color proof, produced in E. Gaspe’s studio, of one of the printing layers on the reverse side of the 1919 10 zlotych coin, in a brick-red color. Paper without watermarks; on the reverse side, old, dry patches in the upper part; on the side margins and in the lower part, the paper shows foxing spots.
A very rare specimen, suitable for a specialized collection of Polish banknotes.



