Jan Tempelman, broche, 1975. Schmuckmuseum Pforzheim. Foto Coert Peter Krabbe, mei 2019, CC BY 4.0

Jan Tempelman, broche, 1975. Schmuckmuseum Pforzheim. Foto Coert Peter Krabbe, mei 2019,
Jan Tempelman, broche, 1975. Schmuckmuseum Pforzheim. Foto Coert Peter Krabbe, mei 2019, CC BY 4.0

Jan Tempelman, broche, 1975. Schmuckmuseum Pforzheim. Foto Coert Peter Krabbe, mei 2019, CC BY 4.0