As you can see the newspaper gave the color of trim for the blue uniforms but not the gray. I am not sure if this indicates that the gray uniforms were without trim or if the newspaper did not see fit to report the trim on their gray uniforms. Other units uniforms were described in the article and this included those companies' fatigue uniforms. The article did give information on the trim of other units fatigue uniforms. This may indicate a lack of trim on the Coldwater fatigue uniforms, or it could indicate nothing.
The Michigan Uniform Militia Regulation required blue or gray uniforms either dress or undress based on the uniforms worn by that branch of the U.S. Army. State buttons would replace the army buttons and the trim could be higher quality. Now what that means is open to discussion. Also in 1860 the State issued a General Order that units would obtain gray uniforms. Until additional information is found, the question of trim on the gray uniforms will remain an open question.
Bill Carr