1928-1939 Austrian paper (Curt Berger), orthogonal watermark Multiple Suns + RA. Sun 8.5x9mm (L according to Bose 1931) Referred to as 1E2 by Tony Rubiera and as MI 2 by Dário Bardi.
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1931?-1934 Austrian? paper, orthogonal watermark Multiple Suns + RA. Sun 9x8.5mm
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