
| Type | New Primed Empty |
|---|---|
| Projectile | [none] |
| Case | brass, 1 hole |
| Primer | electric, flat, brass, ring crimp, red annulus |
| Headstamp | 20 DCA -5CG CE 14-53-I |
| Notes | French experimental anti-aircraft round made by AME. DCA stands for Defense Contre Aeronefs (air defence). Hole in case and indexing notch in rim indicate that this case was intended for a pressure test loading. |