original and intact c. early 1920's "kt-4" diminutive deep cobalt blue triangular "poison" bottle manufactured for the united drug company. the wedge shaped, three-sided glass jar features embossing on one side reading "poison" amidst a lattice motif with pointed studs in the overlapping diamond shapes. the jar is finished with a short neck and rolled lip that would have been closed with a cork. the base is embossed, "u.d.co. / ha (overlapping) / 5" inside a circle. seams run around the base and up two sides. the united drug company was later bought by rexall. measures 3 1/4 inches high.