本片是一部英国剧情片，由Max Varnel导演，由道格拉斯·威尔默/奈杰尔·斯托克/大卫·布克主演。
剧情简介：Mr. Holder, a city banker, is Holmes' latest client. A prominent customer left him a beryl-encrusted coronet as a surety against a loan. Mr. Holder took the coronet home for safekeeping and was shocked to find his son Arthur attempting to deface it. Holmes deduces that Arthur is innocent and was only trying to cover up for another family member who has been duped by a smooth-talking thief.
外文名：The Beryl Coronet
别名：绿宝石皇冠
类型：剧情
地区：英国 / BBC
导演：Max Varnel
编剧：阿瑟·柯南·道尔
演员：道格拉斯·威尔默 / 奈杰尔·斯托克 / 大卫·布克 / Richard Carpenter / 苏珊·弗默 / Sandra Hampton / 伦纳德·萨克斯 / Denis Shaw / Mark Singleton
