Waterman, a gold fountain pen, circa 1940, inscribed 'To Lady Mairi, from friends at Mount Stewart

Waterman, a gold fountain pen, circa 1940, inscribed 'To Lady Mairi, from friends at Mount Stewart, 10.12. 40', length 11.3cm, British hallmarks for 9ct gold, signed Waterman, fitted case stamped Waterman

Provenance: Lady Mary Elizabeth ('Mairi') Bury, née Vane-Tempest Stewart (1921-2009), aviator and philatelist, daughter of the 7th Marquess and Marchioness of Londonderry, on the occasion of her marriage to the Hon. Derek William Charles Keppel, later Viscount Bury, on December 10th 1940, thence by descent