I've actually heard that descriptions of officers during the American Revolution could be distinguished by a red stripes through the govt. sett. , while all other had the regular green/blue.
Here's a web site of a reenacting unit who do rev war period-They seem to have taken this into account. Click the link and check out pic#2 http://www.tehistory.org/qswc/q4501/sscf.html
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