Travel Sticker - "San Francisco"

This is an adhesive backed self-stick travel decal from circa 1960's-1970's.
For campers, bumpers, luggage, boats, paddles, windows, etc. / (unused)
TOPIC -- "The Crookedest Street in the World", San Francisco, California
Made by the IMPKO Company, Bogota, NJ -- IMPKO made the majority of U.S. travel decals and stickers throughout the 1960's and 1970's.