158 mm (H)108 mm (W)
Cragside, Northumberland (Accredited Museum)
Silver frame containing a perpetual calendar, engraved 'June 15th 1914'.
Armstrong collection. Transferred by the Treasury to The National Trust in 1977 via the National Land Fund, aided by 3rd Baron Armstrong of Bamburgh and Cragside (1919 - 1987).
Marks and inscriptions
June 15th 1914 (engraved)