Issue n° 2 - 1957
"Peace and Welfare through Agriculture and Industry"
"Peace and Welfare through Agriculture and Industry"
Number of countries : 8
Debuting countries : Saarland - Switzerland
Returning countries : none
Withdrawing countries : none
Common design : no common design that year
Note : All stamps issued on 16th September - Only year between 1956 and 1973 without common design