CONNEY v BENTUM - WILLIAMS  Evidence—Handwriting—Expert evidence—Examination of disputed handwriting—Functions of handwriting expert—To point out similarities or differences in two or more specimen writings—No duty to establish the maker of disputed signature—Conclusions to be drawn therefrom left to court—Proper for trial court to treat evidence of expert as guide in arriving at conclusion—Appellate court entitled to examine disputed handwriting in forming its own conclusion—Method of establishing genuineness or otherwise of disputed handwriting.