wayne gretzky rookie card value by grade

wayne gretzky rookie card value by grade I want to get this graded. How much would the little black mark on the card hurt the grade? And how would it affect it's declared value? Thanks! Wayne Gretzky 1990 Pro Set

Name: wayne gretzky rookie card value by grade I want to get this graded. How much would the little black mark on the card hurt the grade? And how would it affect it's declared value? Thanks! Wayne Gretzky 1990 Pro Set
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Description

Not even two weeks ago, we went over our picks for the ten best commons and uncommon in white and in blue, and today, we go over to the darker side of things

Drawing one, however

This includes the new Gloom Illustration Rare by Masako Tomii

Rich is a games journalist with 15 years' experience, beginning his career on Edge magazine before working for a wide range of outlets, including Ars Technica, Eurogamer, GamesRadar+, Gamespot, the Guardian, IGN, the New Statesman, Polygon, and Vice