Horizontal SPECIMEN perf; normal s/n 50 korún
Details
Obverse: Yellow and black SLOVENSKA / 50 / REPUBLIKA adhesive stamp; Slovak text; Golden eagle in flight above Tatras mountains; coat of arms of socialist Czechoslovakia (Soviet star above rampant double-tailed lion with Soviet Slovak shield); author of Slovak language, Ludovit Stúr
Reverse: Czech text; Bratislava castle; town; highway interchange; River Danube; bunch of grapes