Description
1950, stamps - advertising exhibition 'MARPOSTA', Marburg/ Lahn, 16 to 18 September 1950, enclosed blank cancellation 'Day of the Stamp' #40515
1950, stamps - advertising exhibition 'MARPOSTA', Marburg/ Lahn, 16 to 18 September 1950, enclosed blank cancellation 'Day of the Stamp' #40515