(Covers to San Francisco Sanborn Insurance Map.) Volume Four Insurance Maps. San Francisco, California. Published by Sanborn-Perris Map Co. Limited, 115 Broadway, New York. 1899. Scale, 50 Ft. to an Inch. Copyright 1899, by the Sanborn-Perris Map Co. Limited.
Bound in 1.5 cm thick heavy cardboard boards with what appears to be thin black fabric, red leather quarter binding and corner reinforcement (very worn), and worn gray cloth labeled on the front in black lettering, "San Francisco CALIFORNIA VOL. 4". Red leather spine cover separated and lettered, "San Francisco, Vol. 4".