Chippewa chief who offered himself and his band of warriors to the government to fight the Sioux in their raid in Minnesota in 1862. Original 2.25 x 4 carte-de-visite portrait showing Ne-Bah-Quah-Om, known as Big Dog, wearing a full Native American headdress and holding a pipe. Published by Whitney’s Gallery of St. Paul, Minnesota, circa 1865. In fine condition, with left and right edges possibly trimmed. RR Auction COA.