The picture shows a view of both sides of this 1949 Detroit Michigan Bank 100th Anniversary Advertising Token Coin. It appears to be made of aluminum. One side has a raised image of a Native American Indian and the other side has a branch with leaves. It is marked on the two sides as follows:
OLDEST BANK IN MICHIGAN 1849
THE DETROIT BANK 100th ANNIVERSARY 1849 - 1949
This token coin measures 1-1/4'' wide. It appears to be in excellent condition as pictured.