A pair of silver-framed Martin's Margins spectacles, with horn visuals, round lenses, and folding sides with pad ends, stamped T.R., hallmarked I.S. London, 1800

细节
A pair of silver-framed Martin's Margins spectacles, with horn visuals, round lenses, and folding sides with pad ends, stamped T.R., hallmarked I.S. London, 1800

拍品专文

The hallmark I.S. probably refers to James Streth of Cock Court, London.