This is a Bob Griese Miami Dolphins Signed Pro Football Hall of Fame Enshrinement Canton, Ohio August 4, 1990 First Day Cover (PSA). This First Day Cover envelope has been dated stamped August 4,1990, the day Bob Griese was enshrined in the Pro Football Hall of Fame. The envelope measures 3.5" x 6.5" in size. The FDC has been hand-signed by Bob Griese of the Miami Dolphins. The Bob Griese autograph includes an official PSA COA and matching hologram for authenticity purposes. Your First Day Cover Envelope will come in a 5 x 7 Photo Sleeve in an 5x7 Top load Holder. The FDC also comes with a Pro Football Hall of Fame Enshrinement Canton, Ohio August 4, 1990 card noting who was enshrine on August 4, 1990 along with Bob Griese.