Gold-colored metal key, 4-3/4 x 1-1/2 inches, with a relief of a flying bird and inscribed with: 'The City of Yokohama, Japan' and 'The Mayor of Yokohama'. Donated 11/19/79 by the Mayor of Yokohama; occasion information was not provided to the City Clerk's office. Yokohama is a San Diego Sister City.