Two piece medal bar with 10 + 15 year NSDAP medal

Two piece medal bar with 10 + 15 year NSDAP medal. Zinc 10 year NSDAP medal and tombac silver plated 15 year with blue enamel inlay. Remains in very good condition with most of the bronze finish still present on the 10 year and some patina on the silver plating of the 15 year. No chips or damage. Uncommon bar 2 of the 3 NSDAP service medals.