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Credit
The green outline of a condom inside which the male symbol points upwards representing the man's penis next to the symbol for bisexuality; a safe-sex and AIDS prevention advertisement by the RFSU, Norwegian Red Cross, The Norwegian Confederation of Sports and the Norwegian AIDS Association. Colour lithograph, ca. 1995. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.