Flag of Portugal during XXII Summer Olympic Games Moscow 1980.
1980 Olympic Closing Ceremony - Part II Flag March – youtube.com – time: 9:44
Own work
based on images:
Olympic_flag.svg: Original author: Pierre de Coubertin (1863-1937); uploaded by WikedKentaur and corrected by others
Portuguese_shield.svg by Parutakupiu
derivative work: Mboro (talk)