License, verbatimCC0
Museum Rotterdam, via Europeana: image published under Creative Commons Zero 1.0 (http://creativecommons.org/publicdomain/zero/1.0/). Rights statement as supplied by the contributing institution to Europeana.
Ovale vakantiemuts (?) van blauw, rood en wit vilt met rood kwastje, rood zijvlak met "DEN HAAG". 1950. Europeana (aggregator, 4,000+ institutions).