Paper models of ships, built with „Wilhelmshavener Modellbaubögen“
<a href="//commons.wikimedia.org/wiki/User:Lienhard_Schulz/Photographs_by_Martin_Schulz" title="User:Lienhard Schulz/Photographs by Martin Schulz">Martin Schulz</a>, father of <a href="//commons.wikimedia.org/wiki/User:Lienhard_Schulz" title="User:Lienhard Schulz">Lienhard Schulz</a>
CC BY-SA 3.0
Photo album № 1 of Martin Schulz