1 zloty \"400. Day of death from Michael Kopernikus\", trial printing, complete printing sheet with four miniature sheet (form numbers II / 1, II / 2, II / 3 and II / 4) on ungummed, wood containing yellowish proof paper without data impression in the size 430 x 340 mm. Apart from one slight trace of crease top right - the according to certificate insignificant is, in perfect condition, unsigned. Photo expertize Detlef Fifer Pig BPP (2014) \"this is the so far only known, not cut in pieces printing sheet with the printing number II, and is therefore an unique piece. \" - from museum character, a must-do for the large general collection Germany or a special collection Generalgouvernement! (former starting price 4000)