Context (References)
cf: Museum of London (1940) 'Medieval Catalogue' London: London Museum Catalogues
Event Date 1940
Author: David Kay

Context (Analysis)
Cf. London Museum Medieval Catalogue, Plate XXX, no. 33 - a Type IV key from London Wall, London. Type IV keys occur throughout the Medieval period, though examples with 'toothing' on the bit akin to that of the aforementioned example are particularly linked to the 13th century.
Event Date 22/1/2019
Author: David Kay

Description (Physical description)
Key with 'D'-shaped bow, sub-cylindrical pin shank, and single bit with single key wards cut into both front and rear edges, and a further three smaller key wards cut into the bottom edge. The entire object is quite corroded.
Event Date 22/1/2019
Author: David Kay