When did the john m smyth co Chicago il stop selling faultless acoustic guitars?

The John M. Smyth Co. in Chicago, IL, ceased selling Faultless acoustic Guitars in the early 1970s. The store, known for its Musical Instruments, shifted its focus and inventory during that time, leading to the discontinuation of Faultless guitars. The exact date of the final sale is not well-documented, but this period marked the end of their association with the brand.