Archaeology in Portugal July 15, 2012 1988 1998 2010 2011 cancel ceramic monolith mosaic ofdc Portugal postcard registered rock art +
Panagyurishte Treasure July 13, 2012 1966 1999 2010 2012 Bulgaria gold joint issue Kazakhstan maxicard postal stationery postcard registered +
Kernavé Cultural Reserve May 20, 2011 2002 2010 2017 coin Lithuania mini sheet ofdc postcard unesco +
Abu Simbel April 05, 2011 1959 1962 1963 2010 airmail Brazil unesco United Arab Republic Yugoslavia +
Archaeology March 07, 2011 2009 2010 2011 bronze Bronze Age glass Iron Age mini sheet ofdc Slovenia +