This includes both electric and acoustic vintage guitars. Vintage Guitars offer a rare opportunity to combine investing with genuine pleasure and enjoyment. Vintage guitars offer a real investment opportunity for the discerning buyer. Vintage guitars can offer a great investment opportunity for the knowledgeable guitar buyer. There are classics and rare guitars, top vintage guitars and also amp brands. Vintage guitars are highly desired, finely made, older guitars manufactured between the early 1920s and early 1970s.