Editing Nazi concentration camp badge (section)

=== Double triangles ===
{{See also|Yellow badge}}
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Double-triangle badges resembled two superimposed triangles forming a [[Star of David]], a Jewish symbol.
* Red inverted triangle superimposed upon a yellow one representing a Jewish political prisoner.
* Blue inverted triangle superimposed upon a red one representing foreign forced labour and political prisoner (for example, Spanish Republicans in Mauthausen).<ref>{{cite web|url=http://entomelloso.com/de-tomelloso-a-mauthausen/|title=De Tomelloso a Mauthausen|website=entomelloso.com|date=12 January 2017|access-date=27 March 2018}}</ref>
* Green inverted triangle superimposed upon a yellow one representing a Jewish habitual criminal.
* Purple inverted triangle superimposed upon a yellow one representing a Jehovah's Witness of Jewish descent.
* Pink inverted triangle superimposed upon a yellow one representing a Jewish "sexual offender", typically a gay or bisexual man.
* Black inverted triangle superimposed upon a yellow one representing an "asocial" or work-shy Jew.
* Voided black inverted triangle superimposed over a yellow triangle representing a Jew convicted of [[miscegenation]] and labelled as a {{lang|de|Rassenschänder}} (race defiler).
* Yellow inverted triangle superimposed over a black triangle representing an "[[Aryan]]" woman convicted of miscegenation and labelled as a {{lang|de|Rassenschänder}} (race defiler).
Like those who wore pink and green triangles, people in the bottom two categories would have been convicted in criminal courts.

<gallery class="center" caption="Some period examples of the double triangle design at Nazi camps" widths="180px" heights="180px">
File:Prisoners in the concentration camp at Sachsenhausen, Germany, December 19, 1938. Heinrich Hoffman Collection. - NARA - 540178.tif|[[Sachsenhausen concentration camp|Sachsenhausen]] detainee with glasses in the foreground wears a two-color ID-emblem
File:Buchenwald Disabled Jews 13132 crop.jpg|Disabled Jews with a black triangle on a yellow triangle, meaning asocial Jews, [[Buchenwald]], 1938.
File:Bundesarchiv Bild 152-27-13A, Dachau Konzentrationslager, Häftlinge beim Appell.jpg|Part of a [[Dachau concentration camp|Dachau]] roll call – day badges visible on detainees
File:SarahEwart-066.jpg|[[Sachsenhausen concentration camp|Sachsenhausen]] detainee's red political enemy triangle atop a yellow Jew triangle (lower left)
</gallery>