c1970s Guyatone PS-104 Cross Over Box Auto Wah (Japan)
Guyatone - The Guyatone WR6 AutoWah. Approved by Vintage Guitar magazine ! See the review in the March issue. https://demontguitars.reverbsites.com/listing/guyatone-wr6-auto-wah-black-silver-designed-in-japan-made-in-usa/3545028 | Facebook