456 S.E.2d 50 COLLINS v. AMERICAN TELEPHONE TELEGRAPH COMPANY et al. S94A1367.Supreme Court of Georgia. DECIDED FEBRUARY 20, 1995. BENHAM, Presiding Justice. “This court must inquire into its own jurisdiction. [Cits.]”Collins v. State, 239 Ga. 400 (236 S.E.2d 759) (1977). This is an appeal from a decision of a superior court overturning an income tax […]