2 penny dark purple ultramarine, private donate respectively propaganda issue for the factoring one planned, however then not taken place Air ship-sending to the Investigation and cartographic acquisition New Guinea, at the bottom attached blank field (perforation on folded and right a little separated), mint never hinged, faultless condition, expertized Bothe BPP and photo expertize Michael Jaeschke Lantelme BPP "in faultless, mint never hinged condition. " - as variety with blank field pronounced rare!