Anverso: INTERNATIONAL ASSOCIATION ENGINEERING GEOLOGY / ASSOCIATION INTERNATIONALE GEOLOGIE DE L'INGENIEUR. Campo: ENGEO / AIGI / IAEG
Reverso: PARIS 1970 - S. PAULO 1974 - MADRID 1978 - NEW DELHI 1982 - BUENOS AIRES 1986 - AMSTERDAM 1990. Campo: LISBOA / 1994 / 7 / CONGRESS / CONGRÉS