If you take them to Wal-mart or Wal-greens ect they will probably tell you they need to be at least 25 yrs old to do prints. That is if this is anything professional. Snapshots are fine. I have in the past couple of yrs even taken slides and made prints from them.
They charge by the number of prints.
If they are professional photos then ask them if you can fill out a waver so they aren't liable if the photographer that took the shot should put up a fuss.
I've done that and in my case the photographer had passed away anyway.
You have a treasure there, and I'm glad you grabbed them when you did. Let us know what you find!
It is the lack of Christianity that has brought us where we are. Not a lack of churches or religious forms but of the real thing in our hearts. LIW.....Words From a Fearless Heart