Is this Ryne Sandberg auto legit? I sent this in the mail to him

When I was a kid I asked MLB players for autographs through the mail. This response made a lifelong impact on me, and thought I would share. : r/baseball

Ryne Sandberg Baseball Autographed Sports Trading Cards & Accessories for sale

Ryne Sandberg Signed 1983 Fleer #507 Rookie Card Vintage Sig PSA/DNA Auto Gem 10

Ryne Sandberg TTM Autograph Attempt, Through The Mail Autographs

Ryne Sandberg Baseball Autographed Sports Trading Cards & Accessories for sale

Meet baseball legend Ryne Sandberg at Verilife Schaumburg's grand opening celebration on July 17

New spring, new roles for Lowcountry Major Leaguers, Sports

15 Most Valuable 1984 Donruss Baseball Cards - Old Sports Cards

Remember to open your strongboxes guys. Even got 2 of them : r/pathofexile

Sixty35 news magazine - March 16, 2023 Vol 1. No. 10 by Colorado Springs Indy & Business Journal - Issuu

Ryne Sandberg Original Autographed Baseball MLB Balls for sale

Major League Baseball 2014 preview: Can the Red Sox repeat?, MLB

Joey Votto hiding signed baseballs around Cincinnati: 'let's change the mojo together' : r/baseball