Obverse description	Portrait to the left of Jean (1921-), Grand Duke of Luxembourg from 1964 to 2000 surrounded by the legend and the signature of the engravers.
Obverse script	Latin
Obverse lettering	JEAN GRAND-DUC DE LUXEMBOURG J.N. LEFEVRE
Reverse description	Face value surmounted by a royal crown, surrounded by two branches of oak, year at bottom on the left of a blackbird with a V on the chest (mark of Mr. Robert Vogeleer, commissioner of the coins) and right of the head Of the archangel Saint Michael (mark of the workshop of Brussels), initials of the engravers to the exergue.
Reverse script	Latin
Reverse lettering	20F 1980 NJL
Edge	Smooth without ornaments
Mint
Mintage	1980  - Proof - 3 000
Catalog ID	7367522260
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