The words of Allah the Exalted: "Their mark is on their faces from the trace of prostration"

Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) spoke about this saying of Allah Almighty: (Allah Almighty says:) "Their distinguishing mark is on their faces from the trace of prostration." The Prophet (peace and blessings be upon him) said: What is meant by this is light on the Day of Resurrection.
Al-Tabarani recorded it in al-Mu'jam al-Saghir and al-Mu'jam al-Awsat; its chain contains Rawwad bin al-Jarrah, whom Ibn Hibban and others declared thiqah (trustworthy), while al-Daraqutni (may Allah have mercy on him) and others declared him da'if (weak).

Al-Ju'ayd bin Abd al-Rahman narrates: I was with al-Sa'ib bin Yazid when al-Zubayr bin Suhayl bin Abd al-Rahman bin Awf came, and there was the mark of prostration on his face. When al-Sa'ib saw him, he asked: "Who is this?" He was told: "This is al-Zubayr." He said: "This man has spoiled his face. By Allah! The mark that Allah Almighty mentioned is not this mark. I have been praying for eighty years, yet no mark has formed between my two eyes."
Al-Tabarani recorded it, and its narrators are thiqat (trustworthy).