20 Kopecks to 60 Kopecks Free / charity stamps, black, perforated trial proofs on ungummed paper, watermarked "standing transverse rectangles", each from margin of sheet, each plate flaw 1, the value to 60 Kopecks shows besides an extremely scarce threefold perforation! very fine, unsigned, photo expertize Walter Zirath BPP (2025) "the condition is perfect and the perforation is typically. those trial proofs are rare. the value with threefold perforation extremely rare. ", Michel number 2.000.- plus plus