[CHRISTIE, AGATHA.] Westmacott, Mary (pseud.). Unfinished Portrait. 8vo, publisher's blue cloth, spine stamped in dark blue, slight lean, staining to top of front board; dust jacket with "$2.00" printed price, 35mm Y-shaped tear along bottom of front and spine panel fold, edgewear to fold corners and spine panel ends, dampstain to top of front panel; Adrian Homer Goldstone bookplate. first american edition of the second title under the Westmacott pseudonym. Garden City: Doubleday, Doran, 1930