Is this a Civil War Powder Flask

FINE LARGE 'BATTY'-MARKED CIVIL WAR ERA MARTIAL PEACE POWDER FLASK

Large Size Powder Flask – Tortuga Trading

CIVIL WAR COLT PATRIOTIC GUN POWDER FLASK

James & Dixon Civil War Powder Flask / SOLD

A CIVIL WAR REMINGTON PERCUSSION ARMY OR NAVY REVOLVER POWDER

Arms - Powder Flask - Canon Design

Civil War Style Peace Hands Powder Flask

Brents Antiques Inc. Catalog

1830 Antique Civil War Era Copper Gun Powder Flask, Muzzle Loader

image./housePhotos/affiliated/64/733

Civil War era embossed zinc powder flask - Ruby Lane