From "160 anos de fotografia en Mexico"

Found these among the 500-plus pages of this book:
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Below: I suspect this is a French officer.
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Below: Obviously one of Maximilian's guardsmen.
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Below: I'm not sure that the officer in the light colored tunic is actually Mexican. Might be a foreigner.
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Brilliant, I really enjoy the latin American uniforms, probably because information is so scarce.
An even bigger thank you for the books you've posted on avaxhome.com and militaryzone.info. You amaze me with the rare items you find and upload, your efforts are much appreciated.