1861, quadruple weight folded entire from Manchester to Constantinople, sent pre-paid and endorsed "Via Ostend Kustendje", adjacent red cds. "MANCHESTER 25 AU 61" and transit mark "AUS ENGLAND PER AACHEN FRANCO 10/10", reverse transit mark "WIEN" and arrival cds. "CONSTANTINOPLE"; some minor imperfections otherwise fine, a very scarce and early routing via Kustendje, certificate Wijnants (2022)