I believe, Miss Howard, that it was you who found this sheet of brown paper? He held up the same dusty piece which Poirot and I had examined in the morning-room at Styles. 
There was no paper found by anyone.
mnli hypothesis: There was no paper found by anyone. premise: I believe, Miss Howard, that it was you who found this sheet of brown paper? He held up the same dusty piece which Poirot and I had examined in the morning-room at Styles. 