Bank Polski, a Speciumen set of the 1919 issue comprising 100-Zlotych, blue, 500-Zlotych, purple, 1000-Zlotych, brown and 5000-Zlotych, green, all with T Kosciuszko at left (P.57, 58, 59, 60), all with official perforations, blue Waterlow seal and red SPECIMEN NO VALUE overprint, good extremely fine, rare (4)