1 piastre on 20 Pfg vivid violet ultramarine, overprint blue black, rarest issue, certificate with photograph Jäschke-L. BPP (03 / 2013) "the stamp shows deep rich colors, normal perforated, is in unused condition and shows except for a few partly repaired, thin from hinge places no further defects. No engraverãs mark. ", Michel 3. 000.-