Don Troiani's paintings are realistic and academic in style, mostly oil on canvas or Gouache on paper.
He uses posed models with clothing and equipment from his collection of original uniforms, equipage, insignia and weapons.
In 1995, he designed the three Civil War battlefield commemorative coins for the United States Mint.
Forty of his original paintings have been in a special exhibition at the "Museum of the American Revolution " in Philadelphia from October 2021 until September 2022.
Items from his militaria collection have appeared in the Time-Life "Echoes Of Glory" series on the Civil War.