5 AUR overprint on 8 aur King Christian IX reply card additionally franked with 3 aur brown Chr. X on postcard sent locally in Reykjavik 13 October 1921, correct local rate 8 aur from 15 May 1921 to 31 December 1932. Ringstrøm Nr. 51, original double card 20 type I or IV, Hjernamegin (mà).