What is the correct spelling for SOTHEYBY'S?

If you've misspelled the famous auction house "Sotheby's", fret not! Some possible correct suggestions include: "Sotheby's" with a 'b' instead of 'y', "Sotheby" without the possessive 's' or "Sotherby's" with an alternative spelling. Always double-check to ensure an accurate spelling for this renowned art and auction institution.