Attractive (and very thick) patch card from the 2006 SP Authentic "By The Letter" series, including the letter "E" from the Hall of Famer's uniform. Serialized #7 of 25, signed in white ink by Griffey on the blue area of the patch. A very attractive card, graded NM/MT+ 8.5 by Griffey, the autograph graded GEM MINT 10.