1934 UNDERPAID MAIL LONDON TO BRUSSELS. Envelope (230 x 101) London to Molenbeak, Brussels with KGV 1½d cancelled LONDON 14 FEB 1934, on reverse "Parti sans laisser d'adresse" and on front boxed "RETOUR A L'ENVOYEUR" with tax and charge marks also Belguim 3.5fr due cancelled BRUXELLES 15-2-34. (Ref 103361).
