OP Wilhem Danzer Published 21/05/2021 at 1531 × 2560 in Object of the Month: May 2021 Next → Vaccination Certificate for Wilhelm Danzer, published by J. F. Kaiser, Graz, lithography by J. F. Kaiser after design by M. Prathengeyer. Karlsbad, 1828. NML Medical Museum, Collection of Inoculation Certificates.