Sweden, Incoming stamped mail. Great Britain. 2x3d in pair on prepaid cover sent from NEWCASTLE 545 22.JU.71, sent in closed mail via Denmark to Uddevalla. Cancellations PD, 3d, LONDON C Y 23.JU,71 and PKXP Nr 2 25.6.1871. Sent in accordnace with the UK-Danish convention of 1865. The credit to Denmark was 3d. Sweden was to be credited 1½ Sgr for a prepaid letter from the UK. Superb. (Image1)