Long answer needed here. This jacket is part of what is called the New York State Model 1861 fatigue uniform, made of indigo blue all wool, and was the most common New York uniform of the Civil War. Early in the war some were made in gray and some in blue felt. During the war, New York also made what the State called Fatigue blouse, which were very similar to the U.S. Army sack coat. In 1863 New York issued two types of infantry dress, 1. Model 1863 infantry chasseur dress ie. a long dark blue chasseur jacket and 2. Model 1863 infantry dress, dark blue polka jacket (for those who have trouble picturing a polka jacket, look at the Veteran Reverse light blue polka jackets) trimmed with white piping. You should note that this type of roundabout jacket in both blue, light blue and gray was also popular early war issue in other states but usually had nine buttons. Note the jacket in the top in the standard New York State Jacket, the bottom photograph shows nine button jackets that lack the trim around the collars and epaulettes. Has the bottom photograph been identified as having a New York connection?