It appears to be this year as I’ve managed to identify most of the signatures. The ball is in excellent shape – never used (no scuffs). I believe every player signed it as almost every “square” of the ball has a different signature. New York Cosmos 1983-84. Num Name Pos GP G A Pt Born/Citizen. 1 Hubert Birkenmeier G Germany. 2 Andranik Eskandarian D Iran. 3 Robert Iarusci D Canada. 4 Jeff Durgan D USA. 5 Darryl Gee D USA. 11 Dragan Vujovic F Yugoslavia. 12 Steve Moyers F USA. 14 Richard Chinapoo F Trinidad. 14 Stan Terlecki F Poland. 15 Alan Green F England/USA. 16 Angelo DiBernardo M Argentina/USA. 17 Ferdinando DeMatthaeis F Italy. 17 Erhardt Kapp M Romania/USA. 18 Dan Canter M USA. 18 Boris Bandov M Yugoslavia/USA. 20 Andrew Parkinson F South Africa/USA. 21 David Brcic G USA. 22 Refik Kozic D Yugoslavia. 23 Mike Fox M USA. 25 Bill Morrone M USA. 25 Gerry Gray M Canada. 26 Dusan Nikolic M Yugoslavia. 27 Carmine Marcantonio M Italy/Canada. 28 Chico Borja F. The item “Adidas NASL 1980″ is in sale since Monday, June 20, 2016. This item is in the category “Sporting Goods\Team Sports\Soccer\Balls”. The seller is “madridista1975″ and is located in Rostov-na-Donu. This item can be shipped worldwide.