cover 8c. on 2a. in combination with 1867 12c. cancelled by "D14" duplex and firm's cachet in blue on 1868 (7 Apr.) envelope from Singapore to Switzerland, showing "POSS. AN V. SUEZ/P.F. AMB. MARS" octagonal d.s. in red with arrival d.s. on reverse. A fine and rare mixed issue franking. Photo