בראשית מא:מב פירוש: רש״י, רמב״ן, רשב״ם ורד״ק

ויסר פרעה את טבעתו AND PHARAOH TOOK OFF HIS RING — When the king gives his ring it is a sign that the person to whom he hands it is to be second to him in rank.

AND PHARAOH TOOK OFF HIS RING FROM HIS HAND. The giving of the king’s ring is a sign that the person to whom he hands it is to be second to him in rank. Thus the language of Rashi.
The correct interpretation is that the king’s ring contains his seal, just as it is said, And sealed with the king’s ring.⁶⁵Esther 8:8. The king thus gave Joseph his seal so that he should be a leader and commander⁶⁶Isaiah 55:4. of the entire government, and seal with the king’s ring whatever he desires.

בגדי שש, the finest Egyptian garments made of superior linen. We know from Ezekiel 27,7 that such garments formed a well-known Egyptian export.