The conditions of change not to sell them one at time or all depends the conditions of change.
The conditions of the card since you have to decide whether to live off or anything but if there in fairly good condition would believe about upwards of 1000 for all depends the card since you have to sell them one at time or all seven you have.
get them signed so when he dies the value can increase even more!
The pro-set and TOPS not so much. The SCORE is worth a good penny though. But not as much as you think all cards were being mass produced then and there are a lot of them. SCORE is the rarest but that doesn’t mean its worth the kind of money you would expect from rare limited edition printings you see today.