(399 P.2d 943) ABE COOPERSMITH, ET AL., v. THE CITY AND COUNTY OF DENVER, ET AL. No. 21347.Supreme Court of Colorado. Decided March 15, 1965. Proceeding challenging the validity of a charter amendment imposing compulsory retirement upon attaining a specified age. From an adverse judgment, the plaintiffs bring error. Affirmed. 1. APPEAL AND ERROR — […]