A rare pair of Ayscough-type rivet nose spectacles, with silver folding bridge stamped with makers mark SS [unknown], and punched mark I A 48, with tortoiseshell frames, in fitted and shaped shagreen case with velvet interior - 2¾in.wide

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A rare pair of Ayscough-type rivet nose spectacles, with silver folding bridge stamped with makers mark SS [unknown], and punched mark I A 48, with tortoiseshell frames, in fitted and shaped shagreen case with velvet interior - 2¾in.wide

Lot Essay

I A may refer directly to the 18th Century optician and inventor James Ayscough fl.1716-1766. Apprenticed to James Mann in 1732, obtained his "freedom" for (20 in 1740 and was installed as Master of the Worshipful Company of Spectacle Makers in 1753

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