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Home > Nazi concentration camp badges


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Nazi concentration camp badges, made primarily of inverted triangles, were used in the concentration camps in the Nazi-occupied countries to identify the reason the prisoners had been placed there. The triangles were made of fabric and were sewn on jackets and shirts of the prisoners. These mandatory badges had specific meanings indicated by their color and shape.

The shape was chosen by analogy with the common triangular road hazard signs in Germany that denote warnings to motorists. Here, a triangle is called inverted because its base is up while one of its angles points down.

In addition to color-coding, some groups had to put letter insignia on their triangles to denote country of origin. For example, a red triangle with an "F" on it denoted a political prisoner from France.

The most common forms of the badge were:

Double triangles:

There were many markings. A prisoner would typically have at least two, and possibly more than six:


Political Enemy Habitual Criminals Emigrants Jehovah's Witnesses Gay males Asocial behavior
and Lesbians
Basic colors
Markings for Repeaters
Inmates of Penal Battalions
Markings for Jews
Special Markings
Male Race Defiler

Female Race Defiler

Escape Suspect

Inmate Number



Special Inmate: Brown arm band

Applicable marks were worn in descending order as follows: Inmate Number, Repeater Bar, Triangle or Star, Member of Penal Battalion, Escape Suspect


Pole: "P" on a red triangle

Czech: "T" on a red triangle

Member of the Armed Forces: Uninverted red triangle
Form and Color of Markings of Camp Inmates in the Concentration Camps


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