5 krooni
Paul Keres ( 1916–1975 ) , who was a world-famous Estonian chess player , international Grandmaster and prominent chess theorist , is featured with an engraved portrait on the obverse . 
<triplet> Paul Keres <subj> chess <obj> sport <subj> Grandmaster <obj> title of chess person <triplet> Grandmaster <subj> chess <obj> sport <triplet> chess theorist <subj> chess <obj> part of