Lot of Five Vintage Round German Metal and Blue Honeycomb Faceted Glass Buttons

5 vintage German antiqued brass tone metal buttons with center cabochon in bright blue honeycomb faceted glass 4 larger and 1 small metal shank written on the back is 'gesetzlich geschutzt' which means 'legally protected' in German these are so pretty and bright in good vintage (maybe antique) condition ~ there is some loss of the blue paint on the metal and some overall patina of the metal measurements larger ~ 0.87" diameter smaller ~ 0.53" diameter