Research. One Dollar and Masonic symbols . By Fabian Massa.
The October 29, 1929 , called " Black Thursday " marked the beginning of " The Great Depression " . This crisis started in the U.S. It eventually affected almost all the World, I occupy the entire decade of the '30s and early '40s.
[3 ] Graphic taken from : http://www.bibliotecapleyades.net/sociopolitica/sociopol_moneymisterymagick01_sp.htm