The flag of w:Liwa Thuwar al-Raqqa, a variant of the  with two stars and the Arabic name "المقاتل في محافظة الرقة" ("Raqqa Fighters") between them. Source: http://syria.liveuamap.com/en/2015/16-june-syria-liwa-thuwar-raqqa-fsa-rebels-driving-through
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