Mouse jewellery from around 1880: Thornhill Mouse Bangle, 1stdibs / Eccentric Thornhill brooch, Wartski jewelry / 19th Century Boxed Mouse Brooch by Child and Child, 1stdibs / Ring – ‘Mouse chases after cheese’, Inez Stodel
Literature: Charlotte Gere, Judy Rudoe, ‘Jewellery in the Age of Queen Victoria’, page 223 features an advertisement from 1880 with Thornhill’s mouse jewellery.