Ação Integralista Brasileira (Brazilian Integralist Action) Sigma Sleeve Insignia – 1930s Brazil – 4 Inch
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Reproduction of the circular Sigma uniform insignia used by the Ação Integralista Brasileira (AIB), or Brazilian Integralist Action, during the 1930s.
The patch features the organization’s distinctive black Greek letter Sigma (Σ) on a white circular field surrounded by a black embroidered border. This emblem was worn with the AIB’s recognizable green-shirt uniform and became one of the movement’s principal identifying symbols.
At 4 inches in diameter, this reproduction closely approximates the dimensions prescribed for the original AIB uniform insignia.
Specifications
Size: 4 inches in diameter
Design: Black Sigma on white field
Border: Black satin border
Construction: Embroidered
Backing Options: Hook & loop (Velcro), iron-on, or sew-on
Historical Context
Founded in 1932 under Plínio Salgado, the Ação Integralista Brasileira developed into one of Brazil’s largest organized fascist movements during the interwar period. Its members were commonly known as the Camisas-Verdes, or “Green Shirts,” after the standardized green uniform worn at meetings, marches, and public events.
The Greek letter Sigma served as the AIB’s central emblem and appeared extensively on uniforms, flags, publications, and organizational material. The symbol was associated with the mathematical concept of summation, reflecting the movement’s idea of integrating different elements of Brazilian society into a unified national whole.
Disclaimer
This item is a non-authentic reproduction intended for historical and educational purposes, as well as for display in private collections. It is not meant to promote any political stance or ideology.

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