Poland 1928 - Bank Polski 20 Zlotych Archival Watermarked Paper (Miłczak 67)
Archival watermarked paper prepared by Thomas De La Rue and Company Limited in London for the unissued Bank Polski 20 Zlotych banknote dated 2 January 1928. This piece preserves the original production substrate for the note: the security paper with multitone portrait watermark, before banknote printing. It is not a printed banknote, but a surviving archival component from one of the most important unrealized Polish banknote projects of the interwar period. Read more →