“In Him you were also circumcised with the circumcision made without hands, by putting off the of the sins of the flesh, by the circumcision of Christ, buried with Him in baptism, in which you also were raised with Him through faith in the working of God, who raised Him from the dead.” Colossians 2:11-12.
“Paul, an apostle of Jesus Christ by the will of God, and Timothy our brother, to the saints and faithful brethren in Christ who are in Colosse: Grace to you and peace from God our Father and the Lord Jesus Christ.” Colossians 1:1-2.
Most expositors believe that this letter, written by the Apostle Paul, was composed during his first imprisonment in Rome.