Set of eight business cards belonging to Nike cofounder Phil Knight, 3.5 x 1.75, each signed in ink by Knight, and a color glossy 6.75 x 5 promo photo showing an artistic portrait of Carolyn Davidson, the creator of the Nike 'swoosh,' who has signed in blue ballpoint. Includes a TLS from Knight on his personal letterhead, dated September 14, 2018, and an ALS from Davidson on her personal letterhead, dated May 24, 2018. In overall fine condition. Accompanied by the original mailing envelopes, and a personal business card belonging to Davidson, who has signed it in blue ballpoint, “Carolyn.”