Book mark : Kolynos Dental Cream, 1925-1935?
Licence: In copyright
Credit: Book mark : Kolynos Dental Cream, 1925-1935?. Wellcome Collection. Source: Wellcome Collection.
Licence: In copyright
Credit: Book mark : Kolynos Dental Cream, 1925-1935?. Wellcome Collection. Source: Wellcome Collection.