AP13 : 1960 - FDC European Parliament 'Commemoration 20th anniversary Schuman's Plan'
N°AP13 : envelope "Statutary session from May 1960 - European House, Strasbourg"
Postage 2 values 8F "European Council"
Cancellation 10.5.1960 «Solemn session of the commemoration of the 10th anniversary of Schuman's Plan at the European Parliament»
+ special handstruck mark