Lot 50233 – 1867 Mourning cover 20par black on light pink paper, pre-postal treaty covers to Austria unique from Bulgaria

1867 (Oct 16) Mourning cover sent to Brasov (Transylvania, Austria) franked with a 20par black on light pink paper, four good to large margins, tied by a black GR1 « gratar simplu » cancellation, with « Calarasi » cds and Austrian post « Porto » to front, the letter originating from Silistra in Bulgaria being mailed from across the Danube via the neighbouring town of Calarasi, the letter being directed to Bucharest by the Romanian post, then passed to the Austrian post who delivered it with a 20 kreuzers surcharge, a transit « Bucuresci Diminieata » dated 16th Oct, an undated Austria post « Porto » and an arrival « Brasso » dated May 18, vertical filing crease, otherwise very fine; pre-postal treaty covers to Austria franked with the 1866 issue are particularly rare, this originating from Bulgaria being unique; cert. Heimbüchler (2009).