A George IV silver Gibson medicine spoon,
maker's mark of Charles Gibson, London 1828, also inscribed C. Gibson, inventor, 71 Bishopsgate St within,
hinged cover tapering handle, length 3.4cm, approx. weight 1.1oz.
For other examples see, 'Antique Medical Instruments', by Elizabeth Bennion, Sotheby, Parke, Bernet, 1979, page 251.