vintage centennial 1988 national geographic magazines x2

2 national geographic magazines from 1988 1 is the centennial issue v 174(3), sept 1988 and the other is Dec 1988 with holographic cover some slight creasing on cover of holographic - tendency to roll up back cover of centennial edition has one fold near spine but lays flat some light wear on bottom of spines of both collectors, vintage, nature, environment, society, 80s, national geographic, natgeo