May be Austons best card. Still sealed in the 2019-20 UD Buybacks UDA holographic seal of authenticity. 2019-20 UD Buyback AUSTON MATTHEWS RC AUTO /34 2016-17 Young Guns Autograph SP. The item "2019-20 UD Buyback AUSTON MATTHEWS RC AUTO /34 2016-17 Young Guns Autograph SP" is in sale since Friday, December 18, 2020.This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Ice Hockey Cards". The seller is "chc23" and is located in Lachine, Quebec. This item can be shipped to North, South, or Latin America, all countries in Europe.