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 An instrument which 'names the person represented but does not show that the representative signed in a representative capacity,' may be ambiguous with respect to the capacity in which he signed, since, in the absence of explanatory evidence, the signature may be interpreted either as his individual signature or as a signature on behalf of the person represented. See Canton Provision Co. v. Chaney, 46 Ohio L. Abs. 513, 70 N.E.2d 687 (Ohio App. 1945), in which checks signed 'Finer Foods, Jack Chaney' were held to be ambiguous so that parol evidence was admissible to show that Chaney signed as agent for ...