Ottoman Turkey: 1914 (20 October). Austrian private insurance company imprinted large envelope to their HQ franked with 10 pa and 1 1/2pi pictorial and 1 3/4pi star overprinted external use pictorial stamps for 3 1/2 piastres double weight registered letter rate tied by Galata 14. Reverse same day dispatch cds. Isfila 465, 468, 481
