How do you know what you know? [brown and purple] Komater, Chris, 1965- photographer. Acquired Immunodeficiency Syndrome -- prevention HIV Infections -- prevention & control Homosexuality, Male Purple and brown postcard with white lettering, illustrated at the top with a field of brown squares. Bottom half of postcard is purple. In most of the squares are photographs of naked male torsos, which are positioned in the squares to form an overall design resembling a flower. Postcard verso has URL, logo, and telephone number of Gay Life and SF AIDS foundation logo. Purchase; Michael Zwerdling; 2004; 04-22. [New York?] : GoCard, [between 1984 and 2000?] Zwerdling, Michael, former owner. Gay Life (Organization : San Francisco, Calif.), issuing body. San Francisco AIDS Foundation, issuing body. San Francisco (Calif.). Department of Public Health, sponsoring body. GoCard Nationwide Postcard Advertising, publisher. Postcard Still image 1 postcard : 15 x 10 cm color nlm:nlmuid-9918419286706676-img 9918419286706676 http://resource.nlm.nih.gov/9918419286706676 OCLC: 1370212761 IHM: D06223 English This item may be under copyright protection; contact the copyright owner for permission before re-use.