Three Indian elephants stand at the edge of their pond, with one getting its feet wet, at the San Diego Zoo The San Diego Zoo is in Balboa Park, San Diego, California. Indian elephants are a subspecies of the Asian elephant, which is classified in 2020 as "vulnerable" by the IUCN Red List (International Union for Conservation of Nature). The publisher's number 3 precedes the title in the upper white border. The Teich number in the lower right border is 523-30, from which the date was derived.