[ontap]

Don’t be so sure of that...some confederate officers uniforms were of a charcoal gray.

http://www.ushist.com/american_civil-war_uniforms_confederate_cs_f.shtml

http://en.wikipedia.org/wiki/Uniforms_of_the_Confederate_States_military_forces#Confederate_States_Ar

[Non-Sequitur]

Don’t be so sure of that...some confederate officers uniforms were of a charcoal gray.

Yes, but confederate army officers did not wear their rank on shoulder patches. Rank insignia was worn on the collar and the cuffs. That is clearly a Union Army officer's uniform.