The tazze were part of a gift to Viscount Horne upon his retirement circa 1912 from his fellow Tory party members.
A silver and gem-set ciborium with similar ivory stem by Edward Spencer, with makers marks of the Artificers' Guild, 1913, lent from St. Bride's Church, Glasgow is illustrated in Victorian Church Art, Catalogue No. 34, Victoria & Albert Museum, London, 1971.
A number of Edward Spencer's designs were illustrated in the Yearbook of 1912. Their 'beauty of form and skilful workmanship' were praised and it was noted that they were readily identifiable by 'Mr Spencer's instinctive feeling for design and sense of fitness' (ibid., p. 6).