Set of 4 lithographs:
- MOTIVATION
Vince Lombardi
- CONFIDENCE
Winston Churchill
- DETERMINATION
Theodore Roosevelt
- DEDICATION
Chief Crazy Horse

Signed by artist: P. Chilton (or chiltom - hard to read signature)
Set is numbered: 12/200
Lithographs produced in the mid 1970's for Georgia Pacific Corporation, Portland, OR
Not sure when originals were created

They are worth whatever you can get for them! The artist is not colected, and they were not made for the art market. A fair price would be $5-10 each for someone that liked them.