theHorrohr Unikum German, early 20th century, in celluloid, card case with illustrated label, original packing, retailer's stamp ' F Kortecamp Electr-med Apparate Koln - Nippes Niehler-Kirchweg 145', with two celluloid auricles, late 19th/early 20th century, a single and a double, both with sprung steel headbands
Sold for £200
Result plus buyers premium
theHorrohr Unikum German, early 20th century, in celluloid, card case with illustrated label, original packing, retailer's stamp ' F Kortecamp Electr-med Apparate Koln - Nippes Niehler-Kirchweg 145', with two celluloid auricles, late 19th/early 20th century, a single and a double, both with sprung steel headbands
Auction: Fine Scientific & Medical Instruments and Books, 24th Nov, 2022