Gen 37:28

וַיַּֽעַבְרוּ֩ אֲנָשִׁ֨ים מִדְיָנִ֜ים סֹֽחֲרִ֗ים וַֽיִּמְשְׁכוּ֙ וַיַּֽעֲל֤וּ אֶת־יוֹסֵף֙ מִן־הַבּ֔וֹר וַיִּמְכְּר֧וּ אֶת־יוֹסֵ֛ף לַיִּשְׁמְעֵאלִ֖ים בְּעֶשְׂרִ֣ים כָּ֑סֶף וַיָּבִ֥יאוּ אֶת־יוֹסֵ֖ף מִצְרָֽיְמָה׃

So when the Midianite traders passed by, his brothers pulled Joseph out of the pit and sold him for twenty shekels of silver to the Ishmaelites, who took him to Egypt.