Rare Western Electric / Bell System receiving channel control unit, model J68429F-1 (A-103 CH-2). Features four large gold-pin ceramic hybrid IC modules (marked 116 series), gold-edge connector, and full front control panel with labeled toggles and rotary controls. Likely used in AT&T Long Lines or U.S. military communication systems, circa 1970s–1980s. Untested, sold as collectible or display piece. Excellent candidate for Cold-War electronics enthusiasts or telecom historians. Dimensions: approx 12 × 8 × 2 in. Weight ≈ 3 lb.