Just in at Tone Chasers Music is this 1971 Electro Harmonix Screaming bird treble booster guitar effect pedal in very good condition. Tested, functional and as pictured. 
Available to view at 121 Division Ave S, Grand Rapids, MI 49503.
*** If you have questions or would like to make an offer on a this item, please contact the store via call, text or email at 616-381-9611 / paul@tonechasersmusic.com ***