Viking Heritage February 09, 2018 1973 1974 1978 aerogramme europa Isle of Man maxicard ofdc + Viking 1973 1974 1978 aerogramme europa Isle of Man maxicard ofdc Viking
HBC Bastions February 09, 2014 1943 1966 1978 Canada cancel +2 Colorano pex postcard silk slogan cancel USA 1943 1966 1978 Canada cancel Colorano pex postcard silk slogan cancel USA
Draco-Roman Archaeological Treasures January 27, 2013 1976 1978 coin gold ofdc +0 Romania 1976 1978 coin gold ofdc Romania
Inuit Series October 05, 2011 1977 1978 1979 1980 antler cachet Canada ivory + ofdc 1977 1978 1979 1980 antler cachet Canada ivory ofdc
Slavic Treasures April 14, 2011 1978 Germany East metal ofdc +0 registered 1978 Germany East metal ofdc registered