![](https://image.tmdb.org/t/p/w185/3dYbK1wFjevotyyLIBHEKSZM5P0.jpg)
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English schoolboy and his Dutch pen friend chase a diamond smuggling gang in Holland.
Release: May 01, 1961
Runtime: 61 minutes
Language: Nederlands, English
Studio: Children's Film Foundation (CFF)
Country: United Kingdom