13th-15th century AD. A bronze key with roughly square-section stem, lozengiform bow and rectangular bit with cleft and grooved wards. Cf. Medieval Catalogue, London Museum Catalogues: No.7, 1940, p.XXIX, nos.18; also Hammond, B., Medieval Artefact of England & the United Kingdom, p.67, MK43399. 59 grams, 10.2cm (4"). From an extensive collection of large medieval keys; the property of a Kent, UK gentleman; found Romney Marsh area, Kent, 1990-2015. Similar to London type VI.