1918, Germania 20pfg. "szafir", pair (positions 49-50) and horizontal strip of three (positions 46-48) tied by provisional cancel "GABIN" to reverse of registered value declared cover with handwritten r-label to Warsaw with arrival mark, horizontal fold through cover not affecting the adhesives, very attractive and one of the rarest letters of the Germania issue, certificate Mikulski (2009) and signed Petriuk with detailed certificate (2020) (Fischer 12I bb)
