Doubtful Title

One as to the validity of which there exists some doubt, either as to matter of fact or of law; one which invites or exposes the party holding it to litigation. Distinguished from a "marketable" title, which is of such a character that the courts wiil compel its acceptanco by a purchaser who has agreed to buy the property or has bid it in at public sale.

Herman v. Somers, 158 Pa. 424, 27 Atl. 1050, 38 Ain. St Rep. 85L