蓝宝石案 The Blue Carbuncle (1968)认领

　　A blue carbuncle, a valuable jewel, is stolen from Lady Morcar, and an innocent workman charged and remanded in the run-up to Christmas. Holmes gets a visitor, a gentleman who belongs to a Christmas Club putting money by to purchase a goose for his Christmas dinner. Someone has tried to steal his goose. Another member of the club finds the carbuncle in the goose he has bought. ...