Patiënt lijdend aan de huidziekte 'psoriasis nummulata' before 1881

This anonymous photograph, titled "Patiënt lijdend aan de huidziekte 'psoriasis nummulata,'" dates from before 1881. It depicts the back of a young patient suffering from the skin condition psoriasis nummulata, which is characterized by coin-shaped lesions. The image, measuring 147 mm by 100 mm, is a compelling example of medical photography, a genre that emerged in the late 19th century, capturing the visual aspects of disease for study and diagnosis.