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Dr. Wenceslau Jose de Oliveira Queiroz. pt Dr Wenceslau Jose de Oliveira Queiroz Dr WenceslauJosedeOliveiraQueiroz UTC Dr WenceslauJosedeOliveiraQueiroz desconhecido derivative work DarwinAhoy Digitally restored Transformed into CMY then removed and layers keeping only cyan corrected the curves and mapped colours with the