Berbericeras sekikensis

Berbericeras sekikensis

Year
1952
Face Value
15.00
Mint Value
-
Used Value
-
Print Run
-
Themes
Events
19th Geology Congress, in Algiers
The plenary meeting took place in Algiers from September 8 to 15, 1952. It brought together 1,129 participants (out of 2,910 registered) from 82 countries. The presidency was occupied by Professor Charles Jacob, member of the Academy of Sciences (Paris).