this has some info on hanging mirrors and pictures: https://www.craftylittlegnome.com/the-dos-and-donts-of-decorating-with-mirrors/
Thank you for helping me. Pastor John
Eye level which is ambiguous. Whose eye level? Mom was 5'1", brother is 6'4" and friends anywhere from 4'11" to 6'6" and taller . . . Go with gallery height and call it a day.