About the Design:

Obverse
Embossed square surface with the number "20" impressed into it, the legend "REPUBLIKA SLOVENIJA" running to the left, and the denomination in words reading "DVAJSET STOTINOV" and the year of coinage to the right.

Lettering:
REPUBLIKA SLOVENIJA
DVAJSET STOTINOV
20
1993

Translation:
Twenty stotinov
Republic of Slovenia

Reverse
An owl, with the Latin name "Asio otus" written above it, and the nominal value, expressed in numbers, to the left.

Lettering:
ASIO OTUS
20

Tolar (1991-2006)
Composition    Aluminium
Weight            0.7 g
Diameter    18 mm
Thickness    1.3 mm
Shape             Round