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O) 1969 GREAT BRITAIN, CATHEDRALS, DURHAM, YORK MINSTER, ST. GILES,...
O) 1977 CHILE, GOVERNMENT JUNTA AND SOCIAL SERVICES OF ARMED FORCES, FDC XF
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O) 1978 LIECHTENSTEIN, VADUZ CASTLE, ARCHITECTURE, REIGN OF PROVINCE FRANZ JOSEPH II, FDC XF