Arnold Palmer Signed 3.5x6.5 1977 First Day Cover Envelope PSA/DNA Slabbed

This Autographed Postmarked April 7, 1977 3.5x6.5 First Day Cover Envelope has been Personally Signed by Arnold Palmer. This item is 100% Authentic, it comes slabbed and authenticated by PSA/DNA. The authenticity can be verified on Professional Sports Authenticator website.