1933 Signed Goudey's
 

Greetings everyone,

Looking to buy any of these examples signed and slabbed. Thank you.

13. Lafayette Thompson #
29. Jimmie Foxx
38. Fred Brickell
*42. Eddie Collins #
*54. Ray Kremer
59 Bing Miller
88. Russell Rollings
89. Tris Speaker
90. Jessie Petty
92. Lou Gehrig
105. Bernie Friberg #
115. Cliff Heathcote
*148. Eddie Farrell #
*168. Goose Goslin #
171. Charlie Jamieson #
174. Warren Ogden #
175. Dan Howley
Mickey Cochrane
Rogers Hornsby

Why add the apostrophe to the "s" in Goudeys?