* Luster: Uncirculated coins have a bright, reflective luster that is not present on circulated coins.
* Marks: Uncirculated coins do not have any marks or scratches on the surface, while circulated coins often do.
* Edges: The edges of uncirculated coins are sharp and well-defined, while the edges of circulated coins are often rounded and worn.
* Color: Uncirculated coins have a light gray color, while circulated coins often have a darker, more tarnished color.
If you are unsure whether or not a 1923 US Peace silver dollar is uncirculated, it is best to have it professionally authenticated.