PUERTO RICO, medal, 1980s, Fort Cristobal

PUERTO RICO, medal, no date (1980s), Obverse: ruined arches, FORT SAN CRISTOBAL 1634-1783, Reverse: wall with watch tower, SAN JUAN NATIONAL HISTORIC SITE, Edge: plain, brushed brass, 52mm, 56.1g, tiny spot, Unc