SCF Through The Mail Manager: metslegends has just reported a success:

From: Jon Matlack (Baseball) Success %: 99% (187)

Submission was sent on: 10-19-2021 and took 11 days

Comment: Sent a 1973 Topps #55 (rookie cup) with SASE, handwritten note, and no fee. Quickly signed and returned with beautiful blue sharpie!