Machu Picchu April 03, 2016 1986 2011 2014 Brazil cancel joint issue mini sheet ofdc Peru postcrossing registered unesco +
Mohenjo-daro January 21, 2016 1973 1976 2002 2014 aerogramme Japan joint issue ofdc Pakistan unesco +
Archaeological finds in Liechtenstein October 12, 2015 1953 2014 2016 Bronze Age coin Liechtenstein metal ofdc registered +
Pula Arena November 08, 2013 2014 2016 2017 cachet cancel Croatia First Flight ofdc postal stationery postcrossing +
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 +