About the Design:

Obverse
A puddler (Feierstëppler) at work, in the background the blast furnaces, above the name of the country in Luxembourg, mintage year at the bottom, initials of the engraver at 8 o'clock.

Lettering:
LETZEBURG
A.B.
Year

Translation: Luxembourg

Reverse
Crowned monogram of Charlotte (1896-1985), Grand Duchess of Luxembourg from 1919 to 1964, with both sides of the face value. Below two branches of rosebush and the initials of the engraver.

Lettering:
1 Ch F.
A.B.

Composition    Copper-nickel
Weight            4 g
Diameter    21 mm
Thickness    1.6 mm
Shape           Round