Salvadoran colón of credit and demand of currency, and was also conferred the exclusive power to issue monetary kind. Because the colón replaced the peso at par, 1 and 5 centavos coins issued before 1919 continued to be issued without design change after the colón's introduction. In 1921, cupro-nickel 10 centavos were introduced, followed by silver 25 centavos in 1943. In 1953, silver 50 centavos were introduced alongside smaller silver 25 centavos. Both were replaced by nickel coins in 1970. In 1974, nickel-brass 2 and 3 centavos coins were introduced, followed by 1 colón coins in 1984. On August 31, 1934, the
National Union of Gold, Silver and Allied Trades than 100 in 1930. It merged with the Society of Goldsmiths, Jewellers and Kindred Trades in 1969, pushing membership up to 250. The union's Irish members transferred to the Irish Transport and General Workers' Union in 1976, but membership of the union generally increased; by 1979, it had risen to 2,308. In 1981, NUGSAT into with the Technical, Administrative and Supervisory Section. National Union of Gold, Silver and Allied Trades The National Union of Gold, Silver and Allied Trades (NUGSAT) was a trade union in Britain and Ireland. It represented workers in precious metals, jewellers, diamond polishers, electroplaters, watch and