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To obtain a composite resin molding covered with a coating having sufficient adhesion to the molding and sufficient chipping resistance even when the molding has not undergone cleaning with 1,1,1-trichloroethane as a pretreatment. The coated molding comprises an integrally molded composite resin comprising a rigid PP part and a soft SEBS part and, formed on the molded resin, a coating comprising an undercoat film and a topcoat film formed thereon, the undercoat film comprising as a major component a noncrystalline ethylene/propylene copolymer containing polar groups incorporated therein and having a weight-average mol.wt. of 90,000-140,000.