On April 30, 1789, enthusiastic onlookers filled the streets, dangled out of windows, and perched on rooftops to catch a glimpse of George Washington as he made his way through the streets of New York to Federal Hall to assume the new office of President of the United States.

As at many political events that would follow, there were vendors along the procession route busily making and selling souvenirs to commemorate the day. Among the items sold were small brass …