Vintage 1950's Astatic model 77 microphone

This is a vintage, hard to find 1950's Astatic Microphone No. 77 with 3 prong cord. Good Condition with normal age wear.  Very Clean. Not Stand, but it does come with the cable.   It measures approximately 9 inches tall to where the cord plugs in.  This microphone is the model made famous by artists such as Elvis, Buddy Holly, Bo Diddley, Eddie Cochran, Little Richard and others.  A great piece of vintage music history.