A Civil War-era U.S. New York regiment militia frock coat (circa 1860)

[Igor73]

http://www.antiquetrader.com/upload/contents/290/field_1754/AT%2010-21%20Frock%20coat.JPG

http://www.antiquetrader.com/article/fontaines_civil_war_militaria_auction_results/?print=1

unusial collar