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A military small & medium caliber ammunition collection
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Cartridge Details
20 x 138mm B Rheinmetall
Unknown
Details
Type
Fired
Projectile
[none]
Case
brass
Primer
percussion (fired), flat, brass, 3-stake crimp
Headstamp
20x40 T 41 E13 (crossed arrows in circle)
Notes
Possibly from Switzerland?