Timgad November 04, 2017 1969 1977 Algeria cancel imperforate mini sheet mosaic ofdc + unesco 1969 1977 Algeria cancel imperforate mini sheet mosaic ofdc unesco
Rock Art July 26, 2015 1977 Netherland Antilles ofdc +0 rock art 1977 Netherland Antilles ofdc rock art
Newgrange September 30, 2013 1977 2017 ATM Ireland museum postcard postcrossing rock art + unesco 1977 2017 ATM Ireland museum postcard postcrossing rock art unesco
Guernsey Dolmens November 19, 2011 1977 2007 2016 Guernsey megalith + ofdc 1977 2007 2016 Guernsey megalith ofdc
Mesa Verde October 17, 2011 1977 1980 1984 ArtCraft cancel +4 ceramic lithic ofdc postcard postcrossing Sarzin unesco USA 1977 1980 1984 ArtCraft cancel ceramic lithic ofdc postcard postcrossing Sarzin unesco USA
Joint Issue October 17, 2011 1977 ceramic joint issue mini sheet museum ofdc Pakistan + Turkey 1977 ceramic joint issue mini sheet museum ofdc Pakistan Turkey
Inuit Series October 05, 2011 1977 1978 1979 1980 antler cachet Canada ivory + ofdc 1977 1978 1979 1980 antler cachet Canada ivory ofdc
Pompeii June 06, 2011 1977 2002 cachet cancel Great Britain Italy postcard unesco + United Nations 1977 2002 cachet cancel Great Britain Italy postcard unesco United Nations
Roman Holland February 16, 2011 1977 maxicard Netherlands ofdc + semi postal 1977 maxicard Netherlands ofdc semi postal
Niaux Cave November 22, 2010 1977 1979 2010 cancel France joint issue maxicard ofdc + rock art 1977 1979 2010 cancel France joint issue maxicard ofdc rock art