Superb large 87mm artist designed medallion in bronze for the 1978 VII World Congress of Social Psychiatry in Lisbon, Portugal. Obverse; Hercules holding the pillars of Athena and text around dated Lisbon 10-14th August 1978. Reverse is spectacular design of the human mind depicted as tortured Aliens and freakish engravings with text "Miracle of accelerated Change on Man and his context" by Vasio Berardo , limited edition of 2000, edge marked 995/2000. Uncirculated and very scarce