Anverso: PARIS 1970 / SAO PAULO 1974 / MADRID 1978 / NEW DELHI 1982 / VTH. / INTERNATIONAL CONGRESS / INTERNATIONAL ASSOCIATION / OF ENGINEERING GEOLOGY / 1986 / OCTOBER 20-25 / BUENOS AIRES / ARGENTINE. Campo: SPONSOR ASOCIACION ARGENTINA DE GEOLOGIA APLICADA A LA INGENIERIA
Reverso: CINQUEME CONGRES INTERNATIONAL A.I.G.I. / 1986