ChinaGB 1847 Stampless Envelope to London M.B. Robertson 1
Env. sent from "Monod Freres & Co. Havre" with Firms cachet on reverse addressed to London, endorsed "Steamer via Southampton" with Southampton datestamp in blue and Boxed M.B in Blue (Robertson 1) and London arrival. Very fine item the Boite Mobile was used on private cross channel steamer for 3 years.
