Did Confederates fly all-black American flags?

Social media users are touting their "no quarter" black American flags. Some say they originated with the Confederacy, but historians say that's not true.

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Why Black American Flags Are Flying at Homes Across America, and What Does It Mean to You?, by T Mann

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Photos: They're black and they're proud of the Confederate flag

Modern display of the Confederate battle flag - Wikipedia

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Fly Breeze 3x5 Foot Black and White American Flag - Anley Flags

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Flag of the Confederate States of America, Facts, Origin, Battle Flag, & Images

Did Confederates fly all-black American flags?

Confederate Monuments Caused Voting Decline In Black Areas

NASCAR bans Confederate flag from its races - POLITICO

Confederate battle flag: What it is and what it isn't