Archaeological finds in Liechtenstein October 12, 2015 1953 2014 2016 Bronze Age coin Liechtenstein metal ofdc registered +
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 +