Anas ibn Mālik (may Allah be pleased with him) reported: “Thābit [al-Bunānī] said to Anas: ‘O Anas, did your hand touch the hand of the Messenger of Allah (ﷺ) ﷺ?’ He said: ‘Yes.’ He said: ‘Show it to me so I may kiss it.’” Reference: Musnad Aḥmad 170