Dates used: 1955 -  ?  
Inside of helmet:  Foam padding,
which is missing
Manufacturer:  Sports Product Corp.
Logo:  real sticker
Thoughts:  "Hey Ernie Banks, let's
play two!"  This helmet looks the
same as the one below, but this
helmet is an older style which can't be
entirely seen through a picture.  (I bet
that card of Lou Brock really hurts!)  
 
Dates used: 1955 - ?  
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp,
A Subsidiary of Laich
Logo:  screen printed
Thoughts:  Ryne Sandberg, Andre
Dawson, Ron Santo, Bill Buckner . . .
take your pick.  Compare this helmet
to the one below and you will see that
the "C" has increased in size and has
become thinner.  
 
Leon Durham Chicago Cubs 8X10 Photo
Dates used:  1990? - Present  
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp,
A Subsidiary of Laich
Logo:  screen printed
Thoughts:  The thinner "C" and still
currently used helmet.
 
 
Dates used:  Never
Inside of helmet:  Adjustrap
Manufacturer:  U.S. Cap Company  
Logo:  screen printed
Thoughts:  
Another duck-billed helmet.
 
 
Dates used: 1990? - Present
Inside of helmet:  Adjustrap
Manufacturer:  Sports Product Corp,
A Subsidiary of Laich
Logo:  screen printed
Thoughts:  Two words:  Mark Grace.  
Again, I'm not for sure when this
helmet came out, but I'm almost
certain it was in the 1990's.