Issue: Twentieth Ann. of the Pontifical Academy Scientiarum (Vatican City, 1957)

Wednesday, October 9, 1957, Twentieth Ann. of the Pontifical Academy Scientiarum

Wednesday, October 9, 1957 Vatican City will issue: First Day Cover "Seminarium Capranica/House of Pius IV" face value 105,

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Country:	Vatican City
Issue:	Twentieth Ann. of the Pontifical Academy Scientiarum
Date:	1957-10-09
Print:	Unknown
Size:	164 x 92
Emission:	Commemorative
Format:	First Day Cover
Face Value:	105 Vatican lira