New York Islander Jersey Team-Signed by Six Key Players / 4 Cup Teams (PSA COA)CCM on ice style jersey. Everything sewn on, size 52. Hand signed by Billy Smith 1972 1989 (HOF), John Tonelli 1978 1986, Bob Nystrom 1973 1986, Bryan Trottier 1975 1990, Denis Potvin 1973 1988 (HOF), & Butch Goring 1979 1985. The lot autograph(s) includes an official PSA DNA hologram and matching COA for authenticity purposes. The signing of this item was witnessed by PSA. Authentication: PSA COA