Any ideas who this might be? Purchased at 2017 spring training and the MLB authentication number doesn't work. : r/TexasRangers

MLB authentication program

jongree – SABR's Baseball Cards Research Committee

MLB authentication program

Pinnacle and Score – SABR's Baseball Cards Research Committee

Go Behind the Scenes of MLB Authentication - Sports Collectors Digest

MLB Authentication, Hologram Authenticator

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Any ideas who this might be? Purchased at 2017 spring training and

José Abreu Stats, Fantasy & News

MLB authenticators: How a little silver sticker stopped baseball's

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