75th Anniversary of Helwan Observatory issue of Egypt
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Short desc: 75th Anniversary of Helwan Observatory
Issuer: Egypt Date: 12/30/1978 Sort position: 2 Occasion: Helwan Observatory opening Number/Year: 75 Consists of 1 stamp: (See stamps as list) 20m d=Kottamia Astronomical Observatory All are wmk=arms mult perf=11x11.25 |
