Keywords: Coat of arms of Portuguese Sao Tome and Principe (1951-1975).svg Coat of arms of Portuguese São Tomé and Príncipe between June 11 1951 - July 12 1975 Portugál São Tomé és Príncipe címere 1951 június 11 és 1975 július 12 között Own work based on http //flagspot net/flags/pt_col html coas Flags of the World - Flags of portuguese colonies Coat of arms of Portuguese Guinea 1951-1974 svg and São Tomé e Príncipe PNG 2009-01-18 Thommy insignia <gallery> Image Coat of arms of Portuguese Sao Tome and Principe 1935-1951 svg 1935-1951 Image Lesser coat of arms of Portuguese Sao Tome and Principe svg Lesser coat of arms </gallery> SVG coats of arms of the Portuguese Colonies Historical coats of arms of São Tomé and Príncipe |