French Indo-China. (French General Colonies - Postage Dues). 1898. Envelope addressed to Saigon, Cochinchine bearing France 'Type Sage' Yvert 101, 15c blue tied by Lyon-Les-Terreauc/ Rhone double ring '7th Jan 98', underpaid with triangular hand-struck 'T' and m/s '10' in blue crayon bearing French General Colonies postage due Yvert 8, 20c black (imperf) tied by Saigon Central receiver '4th Feb 98' on arrival on face.