
| Type | API, RID |
|---|---|
| Projectile | steel, brass fuze, pink with grey band, 1 copper driving band Projectile Markings: (black ink) 21-55 (stamped) N17-H |
| Case | brass, segmented crimp, 1 hole |
| Primer | percussion, flat, brass, ring crimp, black annulus |
| Headstamp | A 8 (double a monogram) 54 |
| Notes | The API projectile has been inerted. Both forward and base incendiary charges are removed, and tip and base fuze components have been stored in the case. |