Description:Harmon Killebrew professional model undershirt c.1960s with related photograph. Three button undershirt with cream colored body and blue sleeves has period "Tim McAuliffe" manufacturer's tag at base of neck with the size "XL." "Killebrew 3" written in faded period black marker on outside of neck with. Evident usage and wash wear throughout with moth/use holes and split up side. Black and white 8"x10" photograph (modern print) shows Killebrew wearing similar shirt in locker room. Includes LOA from Hunt Auctions, and letter of provenance from Nita Killebrew: VG-EX