Massachusetts Arms Company 'Pistol' Powder Flask

"Standing Eagle" pistol flask made by Massachussetts Arms Company, Chicopee, Massachusetts.
Common top, fixed charge; copper body (~3" x ~1-7/8" x ~15/16") without hanger ringlets (these would have been in cased "pocket" pistol sets); brass top; "blued" steel external spring.
On the obverse is displayed a "Standing Eagle"; reverse displays the logo: MASSACHUSETTS ARMS COMPANY / CHICOPEE FALLS. Above this is a figure of an upstretched arm and hand holding a "Wesson & Leavitt" pistol.

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