The stamp's First-Day-of-Issue ceremony took place on June 20, 2017 at the University of Wyoming's Art Museum in conjunction[15] with its annual summer solstice celebration. That building was designed with an architectural feature whereby, on the day of the summer solstice each year,[16] a single beam of sunlight moves across the floor[17] and shines on a silver dollar embedded in the floor in the center of the Rotunda Gallery at noon.