The Apollo "skyscraper" design was introduced circa 1928, and a tea and coffee service is illustrated in The Jewellers' Circular, May 31, 1928, p. 14 and Vogue, June 1, 1928, p. 116. The matching cocktail pitcher is illustrated in Charles L. Venable, Silver in America 1840-1940, 1994, p. 288, fig. 9.33, and sold at Christie's, New York, Jan 15, 2004 - Jan 16, 2004, lot 82.