British Offices in the Turkish Empire, 1887, 40pa on 2½d violet on blue, in combination with 1887, 80pa on 5d lilac and blue on registered cover to Buenos Ayres, Argentina, tied by barred oval and blue crayon manuscript "29", "Registered, Smyrna, 25 My, 92" oval date stamp and London transit; cover edge wear, otherwise Very Fine. SG No. 4+5. Scott No. 4+5  Estimate $150 - 200. $0 (Image)