Denver. Theaters. Gem (1744-1748 Curtis) Formerly the Iris Theater. Renamed in 1926 Another Gem Theater ryas located at 1013 15th St. but is now non- existant. Winters, Earle W. History of Denver Theaters 1901-1911 p.178 History of theater. RtIN Festival My 3, 1970 p.9 Historic H & D Block at 1746 Curtis, site of one of Denvers oldest extant theaters, to be torn down. History with all former names given. Illus. BMH F 27, 1974 p.34-36