One in excellent shape is worth $100 to $150. The real find is an unused ticket to the same game. Not 1/2's but a full unused ticket. You find one of those and its a pretty nice find. I have the program and an unused ticket as well. Took me 3 years to run across the ticket, and that was with a constant search.
The ticket by the way came from an estate sale of a man that had died that was from OK. You never know what you might find out there.
I just bought a 1948 London Olympic Basketball program. In that case the price was whatever the seller said it was as I had never seen one before.