CONSTANTINOPLE: 1874, Bulaq 1 p. rose and vertical pair 1 p. vermilion (the upper stamp with double perforation at top), tied by cds. "V.R. POSTE EGIZIANE CONSTANTINOPOLI 1 SET. 75" to double rate envelope to Cairo with transit mark of Alexandria and arrival mark; part of reverse flap missing, otherwise fine, sign. Holcombe
