John Mayall: Thru The Years. 1991 U.S. London Round Color Promo 1 3/4 Laminated Pinback Button. Released at time of TTY CD to promote it. Cover of CD. Re'cd from a PR rep handling Mayall's press at the time who I knew in the biz. No age wear on image. No cheap inferior copy. Unsealed/In plastic sleeve. Brand New. Deleted WW.