Dates used:  1955-57  
Inside of helmet:  Foam padding, which is missing 
Manufacturer:  Bobbie Enterprises
Thoughts:  What can I say. . . GOLD!  I never thought I would find one of these, but the background of the sticker is black and that means it's meant to be on a black helmet and that makes it a New York Giants helmet.  Unbelievable!
 
Dates used:  1958- 82  
Inside of helmet:  Foam padding,
which is missing
Manufacturer:  Bobbie Enterprises
Logo:  real sticker
Thoughts:  I'm not really sure when
the Giants started to wear helmets.  
The logo on this helmet is much
smaller than the one below.   
 
Dates used:  1958 - 82
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp.,
A Subsidary of Laich  
Logo:  screen printing
Thoughts:  I'm not really for sure what
year the Giants started to wear
helmets.  Willie McCovey didn't do to
bad playing in this helmet.  

 
Dates used:  1958- 82  
Inside of helmet:  Missing Adjustrap
Manufacturer:  None
Logo:  real sticker
Thoughts:  A duck billed version of the helmet above.
 
Dates used:  1977- 82
Inside of helmet:  Adjustrap
Manufacturer:  U.S. Cap Company
Logo:  screen printing
Thoughts:  The Giants decided to put a little more color on their helmet for some reason.  
 
Dates used:  1977- 82
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp.,
A Subsidiary of Laich  
Logo:  screen printing
Thoughts:  Another "Duck Bill" helmet.
 
 
Dates used:  1983 - 92
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp.,
A Subsidiary of Laich
Logo:  screen printed
Thoughts:  Hmmm . . . Matt Williams or Will Clark?  Maybe Kevin Mitchell?
 
Dates used:  1994 - Present
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp.,
A Subsidiary of Laich
Logo:  screen printed
Thoughts:  Barry, Barry, Barry . . . .  
Dates used:  2007 - Present
Inside of helmet: White strap
Manufacturer:  None
Logo:  screen printed
Thoughts:  Coolflo stadium giveaway in 2010.