(Thwaha) 20 : 22
وَاضْمُمْ يَدَكَ إِلَىٰ جَنَاحِكَ تَخْرُجْ بَيْضَاءَ مِنْ غَيْرِ سُوءٍ آيَةً أُخْرَىٰ
“And you keep your hand into armpit; it will come out shining white without any evil, it is another Sign”.
It is told in verse 28: 32: “Insert your hand into the pocket; it will come out shining white without any evil; and draw in your arm close to you to free from fear, for those are two Signs from your Lord to Pharaoh and his folks, indeed they have become transgressed people". Read together 7: 108.