Abraham Koorenhoff (1844-1917) worked in Leiden and Oegstgeest as photographer between 1867 and 1917. His address at the Muskadelsteeg/Gerecht 5 is attested for 1892-1893.The woman who is portrayed seems to be in her 20s which would make her date of birth sometime around 1872.From the Van den Akker family photograph album.