And some later stuff.
Cap worn by pitcher Marty McHale in 1913:
 
A Windsor "box chair from Yankee Stadium, c. 1923:
 
Yankee Stadium Opening Day program:
 
Copper "M" that hung above Gate 2:
 
1927 Yankees autographed baseball:
 
 
First World Series game in Yankee Stadium ticket stub:
 
Babe Ruth signed ball, 1928 World Series:
 
Lou Gehrig Appreciation Day ticket stub:
