This 3.5x6.5 Hand Written Envelope Postmarked June 4 1930 has been written by Al Simmons of the Philadelphia Athletics . This item is 100% Authentic; it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. This envelope has not been signed; only written by Al Simmons.We only offers Authentic Autographs by Al Simmons through Signings; In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.