Mediterranean blue 554 rotary dial wall phone made by AT&Twhich is Bell systems and is the same as Western Electric  This one is a beauty.  This phone looks and works like new. Dark Blue  is a fairly rare color in these rotary wall phones. Most are discolored. You will not find a better one in Dark Blue. This is in great condition with no cracks or scratches of any kind. Mid-century Blue  554 wall telephone. The great color on this phone will go perfect in any mid-century home.