How many movies have Holger Salin and Yrjö Kostermaa collaborated on?

They have worked on 3 movies together! Their first movie together was Tavaratalo Lapatossu & Vinski (1940) while their highest rated movie together was Herrojen Eeva (1954). They have not worked together since Ratkaisun päivät (1956). They are most known for their comedy films together.