Earthenware plaque with the portrait of an old woman by Bertha Thoe Schwartzenberg. It is executed by the Hilversumsche Plateelbakkerij. It is signed on the bottom left with her monogram. At the bottom of the plaque is written: 'Gebakken en vergl. door Hilversumsche Plateelbakkerij N.F.L. Oosterhoff'. There is a card with the text: 'Koopvrouwtje, Majolica, B. Koster Thoe Schwartzenberg, Hilversum, Javalaan 44'. Bertha Thoe Schwartzenberg was educated by both Joseph Mendes da Costa and Henk Bremmer. She mostly made human and animal figures and portraits.