1897. Registered envelope (shortened) addressed to Persia bearing SG 54, 1pi ultramarine (pair) tied by Chibin-El-Kom date stamp with boxed hand-struck 'Egypt/R’ routed via Suez and Bombay with oval 'Sea Post Office' registered and octagonal French paquebot 'Ligne N Paq. Fr. No 3' date stamp (Salles 1924) and Boushir arrival on reverse. Lovely item of Registered mail routed through the Indian Sea Post Office and French mailboats.