Reference for Exodus 38:2

וַיַּ֣עַשׂ קַרְנֹתָ֗יו עַ֚ל אַרְבַּ֣ע פִּנֹּתָ֔יו מִמֶּ֖נּוּ הָי֣וּ קַרְנֹתָ֑יו וַיְצַ֥ף אֹת֖וֹ נְחֹֽשֶׁת׃

And he made the horns thereof upon the four corners of it; the horns thereof were of one piece with it; and he overlaid it with brass.

BDB