Michigan Compiled Laws, Chapter 2. State § 2.21

Sec. 1.  The device and inscriptions of the great seal of the state of Michigan, Anno Domini 1835, presented by Lewis Cass to the forthcoming state, through the constitutional convention and adopted June 2, 1835, and filed with the secretary of the territory, June 24, 1835, and illustrated by a seal with said device and inscriptions attached to a state document, bearing date 1838, and to the constitution of 1850 received and filed in the office of the secretary of state, August 15, 1850, and now on file in said office, omitting the legend “The great seal of the state of Michigan, Anno Domini 1835,” is hereby adopted as the coat-of-arms of the state.