Bulgaria 1939 50th anniversary of Bulgarian State Railways

• Issue date: 26th April 1939
• four values noting Bulgarian control of the Railway system, 1888-1938
• Designed by: B Anguleshev
• Printed by: State Printing Works, Sofia
• Print process: photogravure
• stamp format height 26mm x width 36½mm
• Perforations: 13 x 13

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