Probably not a lot, bicycles rarely become expensive collectibles. Look for similar bikes on ebay, Craigslist and such to find out what they sell for.
Theodore Racing was created in 1976.
Brompton Bicycle was created on 1976-06-03.
Trek Bicycle Corporation was created in 1976.
Khadevis Robinson was born in 1976.
Kathryn Robinson was born in 1976.
Walter Wolf Racing was created in 1976.
Brettina Robinson was born on December 8, 1976.
Ray A. Robinson died on 1976-03-26.
Brettina Robinson was born on December 8, 1976.
Carl Robinson was born on 1976-10-13.
Robinson Cancel was born on 1976-05-04.
Claude C. Robinson died in 1976.