Paleolithic Age April 09, 2017 2017 bone cachet cancel ivory lithic mini sheet ofdc postcrossing registered rock art shell Ukraine venus +
Machu Picchu April 03, 2016 1986 2011 2014 Brazil cancel joint issue mini sheet ofdc Peru postcrossing registered unesco +
Archaeological finds in Liechtenstein October 12, 2015 1953 2014 2016 Bronze Age coin Liechtenstein metal ofdc registered +
Scythian Pectoral February 02, 2014 1976 1999 2013 gold mini sheet postal stationery postcard postcrossing registered Ukraine USSR +
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 +