"Shell Design" Powder Flask

This is called a "Shell" design because of the clamshell pattern on the lower half of the flask body.
Common top, 3-setting adjustable charger (from 2-3/4 to 3-1/4 drams).
Copper body (~8-1/4" x ~4-1/2" x ~1-7/8") without hanger ringlets; brass top; "blued" steel external spring.

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