Year: before 1953, Gummed. Günter Mair's catalogue no: - ETH-A-9, perforated 11, sheets,
blue or grey-blue/white, 3***
Year: 14.7.1933, Gummed. Günter Mair's catalogue no: - ETH-A-6, perforated 11 ½ , booklets with
2 sheets of 16(4x4), black/blue-grey, 4****
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