It was designed by Carmen Sarmiento and her sons Arturo and Jesus Cantero Sarmiento, and first displayed (in paper form) on 8 September 1961.
Zastavu su dizajnirali Carmen Sarmiento i njezini sinovi Arturo i Jesus Cantero Sarmiento, te su je prvi put prikazali (u papirnatom izdanju) 8. rujna 1961.