Portrait of an unknown woman made in the studio WD Niestadt & Zoon, Schagen or Medemblik, The Netherlands, in the early 20th century. Wilhelm Diederich Niestadt (1851-1912) started his career as a tailor but opened in 1898 a photo studio in the town of Schagen, North Holland, the Netherlands with his son, Wilhelm Heinrich Niestadt (1879-1930). They later opened a second studio in the town Medemblik.