Year: 1941, Gummed. Günter Mair's catalogue no: - BUL-A-5, perforated 10, sheets, frame size:
36x16mm, blue/white, 4****
Year: before 1977, Gummed, Günter Mair's catalogue no: - BUL-A-9e, perforated 12 ½ , sheets, light
blue or light greenish blue or light grey-blue/white, 1*
Year: 1993, Gummed. Günter Mair's catalogue no: - BUL-A-10, perforated 13, sheets, blue or light
blue/white, 1*
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