Tom Hanks Returns Lost ID to Fordham Student With a Special Keepsake

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Mission: Accomplished!

Tom Hanks has successfully located the Fordham University student whose lost ID card he found in a park -- and he even gave her a very special keepsake.

"I got my old ID back with a little note from him that said make sure I hold on to this, and his signature," the student, Lauren, tells ET. "I'm so thankful that he was kind enough to pay it forward to me, and I will 100 percent do the same for anyone else."

NEWS: This Is How Tom Hanks Found Lauren's Student ID 

Hanks made headlines on Tuesday morning when he tweeted a a photo of Lauren's (very glamorous) student ID and the message, "Lauren! I found your Student ID in the park. If you still need it my office will get to you. Hanx." At the time of this publication, the tweet had received more than 8,700 re-tweets and 18,600 favorites.

Lauren does not have her own Twitter account, but her classmates sure do! Lauren says she was sitting in the library when a professor emailed her about the tweet. Then, her phone "blew up" with calls and texts.

"My initial reaction was, 'This is so weird. Let me make sure this isn't somebody crazy doing something,'" Lauren recalled. "Once I realized how many re-tweets it had, and how many followers, I was like, 'OK, this is probably real and really strange.'"

WATCH: Tom Hanks Reveals How He Ended Up in a Carly Rae Jepsen Video 

On Wednesday, Lauren stopped by Hanks' New York office to pick up her ID. The actor was not there at the time, but the ID and handwritten note were passed along to her by his staff.

It's just another reason to love the Bridge of Spies actor! (Remember when he helped a random Girl Scout troop sell cookies? Or when he befriended a NYC taxi driver?) As for the man himself, Hanks credits his universal likability to his "goofy voice and big butt."

Really. See what he said in the video below!