Crossword clues for Reference mark. 4 letters:STARReference mark.DIESISReference mark shaped like a double daggerOBELIAncient reference marksDAGGERSReference marks.OBELIReference marksDAGGERReference mark.STARSReference marksOBELIDaggers used as reference marks in printing.ASTERISKReference mark.OBELIReference marks, as daggers.OBELUSReference mark, as a dagger.DOGEARMark for future referenceOPERAMark-Anthony Turnage's "Anna Nicole", e.g. (and, yes, that refers to Anna Nicole Smith)