Lower Palaeolithic Period, circa 400,000 B.P.. Of irregular shape with some cortex showing; with an old inked inscription: '1539 Twydall'. The Twydall finds are discussed in Beresford, F.R., Palaeolithic Material From Lower Twydall Chalk Pit In Kent: The Cook And Killick Collection, in Lithics, Vol.39, 2021. 494 grams, 12.4 cm (4 7/8 in.).

Found Twydall, Kent, UK. Richard Jones collection, Welling, Kent, UK, 1912-1915. Ex Rochester Museum, Kent collections. Specialist collection of J Edwin Jarvis. Ex Martin Schoyen collection, London, UK. Accompanied by a copy of an article on the site at Twydall. [No Reserve]