Pewter grey, metal license plate probably for a bicycle. In the shape of a bear with year 1916 and number 213121 "not transferable". 3 holes for screws. Tied with a ribbon to 2 other licenses (see 1995.002.031 & 1995.002.032).
See also Shafer Family (paper) Collection in upstairs archives.
See also a brief Family History in Object ID # 1995.002.001.