Tommy played in the Ed Sullivan Orchestra and recorded with many famous singers of the 1950's-70's.This is the 2nd of two NOS complete kits that I found going through his guitars and sheet music.The 1000 Rhythm Chief and 1100 Rhythm Chief were designed for Archtop guitars, and were used on D'Angelico, DiAquisto, and others since the early 1950's.This one was sold to Tommy on Sept. 16 1964 by Charles Ponte Music Company W. 48th St. NYC.It comes with extra literature.Contents:DeArmond Rhythm Chief 1000 Guitar Mic / Monkey on a Stick mounting rod / Bridge Clamp / Control Module / 1/4" plug to screw on male CableDeArmond Amplifier BrochureDeArmond Guitar Mic BrochureDearmond Instruction ManualDeArmond Warranty CardDearmond Rhythm Chief 1000 Box Condition:The chrome on all pieces is pristine.The Control Knobs have very faint even aging while still being see-through clear (see Control module photos).The felt backing on the Mic and the Control Module are perfect.The box is crisp and non-faded.The glue holding them has not dried out, and holds the felt perfectly.The system was plugged into a guitar amp and tested.All controls were tested and work, including the Rhythm Switch.The Mic works.NOTE: All contents are original NOS.Measured Impedance is: 14.95k Ohms ( see photo).USA Shipping: USPS 1-4 Day PriorityInternational Shipping: eBay Global Shipping Program