Adorning oneself to look one's "best" has varied over time, gender, economic class, and by event. Adornments suggest one's sense of identity and one's intent to stand out or fit in.
Grenville F. Sparrow of Portland was 25 when he answered Lincoln's call for more troops to fight the Confederates. He enlisted in Co. A of Maine's 17th Volunteer Infantry regiment. He fought in 30 battles between 1862 and the war's end in 1865.