Flag of Spanish Second Republic (1931-1939). Nuvola Version.
Files using to created this picture:
Image:Nuvola Template flag.svg (GFDL archive) created by Orzetto
Image:COA of the Second Spanish Republic.svg (Public domain) created by Marcos Felipe and Valadrem
Visualization Software LLC and vectorized with Inkscape.
Mao06 of this picture.Orzetto of the template. 
Marcos Felipe and Valadrem of the Coat of Arms.