The first dollar is common and I would value it at about $25 on a good day.
The 1903-O Morgan silver dollar is a different matter. It's a very interesting coin. It was worth hundreds of dollars until the early 60s when a large government hoard of uncirculated coins was found at which point it dropped down to around $10. Yours, if real, is rarer than uncirculated ones, and worth $200-300!



