Professional Advice
Peter kept the coins in safekeeping for a few years as a sign of respect for Don. He knew deep down that his friend would want the wonder of the coins to be shared with everyone. This gave him a further idea.
Peter contacted some professional coin experts to advise him on what to do next. The advisors told him that he indeed had a great collection and should hold on to them until the next coin auction where he would be sure to find a serious buyer.