Del Unser signed his 1972, 1976 and 1978 Topps.
This marks the start of some 1970's cards I'll be getting back as I'm working on my 1972 and 1978 sets. There will be some 71's, 73's and an occasional 79 in the returns as well.
Updates on my Sports Memorabilia collecting hobby, including through the mail autograph successes and in person autograph signings. Feel free to email me with questions: firstname.lastname@example.org.