arm rest trim

Does anybody knows where I can find those trims railed in the arm rests ( see attached photo)? They are plastic with an over glued thin chromed foil. Which of course never stay glued and makes many cracks. But , I guess oldest models ( this is from a '74 Berlina) had better quality trims. Many years ago I always found something like these in different sizes in front of me ( for general purposes) , but then I wasn't interested. Now I'm am...