Silk Road February 06, 2013 1973 1994 2012 cachet China Great Britain metal mini sheet pex postcard +
Cucuteni-Trypillian Culture January 28, 2013 2014 2015 2018 ceramic europa joint issue maxicard metal Moldova museum Neolithic postal stationery postcard postcrossing Romania selvage Ukraine +
Biskupin October 01, 2012 1966 bronze cachet ceramic Iron Age museum Poland postal stationery postcard postcrossing +
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 +