Unusual Sterling Silver and Ivory Antique Knife Rests

These unusual knife rests were made in Sheffield 1909 by silversmiths James Dixon & Son. They are both in great condition except for the ivory parts which have age related hairline cracks. (These cracks often appear on antique ivory). Each one measures 3cm in height and has a base diameter of 4.8cm. Their combined weight is 34.1g.