Despite her failure, she persisted, and one day sent Shaw a card inviting him to tea. It read: “Lady X will be at home Thursday between 4 and 6” . . . Shaw sent it back with the comment: “Mr. Bernard Shaw likewise.”
Source, in full
1939 September 12, The Morning Post, Walter Winchell On Broadway, Quote Page 17, Column 3, Camden, New Jersey. It was described by Witchell as a story already in circulation. The provenance of the story is uncertain, and the identity of the would-be host or hostess is unknown.