egg cup and saucer

Egg cup attached to saucer; white porcelain with blue and gold borders; front of egg cup has blue banner with "CORSAIR" in gold, above are New York Yacht Club flag crossed with ensign of Commodore of the New York Yacht Club; on reverse is "A4921"; stamped below is crown, below, in oval logo, is stamped "DANIELL/ WIGMORE ST LONDON" [CORSAIR III, built 1899, an auxiliary schooner yacht; owner J.P. Morgan was elected Commodore of NYYC in 1899]