The 75th Anniversary of Sonnblick Observatory 1961

Now showing: Austria - Postage stamps - 1961 - The 75th Anniversary of Sonnblick Observatory - 1 stamps.

1961 The 75th Anniversary of Sonnblick Observatory

1. September WM: None Design: H. Ranzoni D.J. Perforation: 14½ x 13¾

[The 75th Anniversary of Sonnblick Observatory, type XS]
No. Type D Mint Condition Unused Used Letter/FDC
1136 XS 1.80S 0.57 - 0.28 - USD  Info
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