Sweden. Facit 87 brev, 27 öre on registered postcard sent from STOCKHOLM 6.12.18 to British Guiana. Cancellations REGISTERED LONDON E.C. 44 18.DE.18, R and REGISTRATION G.P.O. B. G. 4.1.19. Very scarce destination, the ONLY RECORDED registered pc as well as the EARLIEST RECORDED mail according to Ferdén.