Dinghy Races

Robert T. Isham Jr., his father’s trophy made by Speis Brothers Inc. Jewelers, Chicago, about 7 inches tall, engraved “Dinghy Races 1930 won by G. S. Isham, R. T. Isham, H. P. Isham Jr.” (H. P. stands for Henry Porter.)  It is not clear what event they won or what dinghy they sailed.