Help 20mm

[frasche]

good evening to all of you could help me to date these two 20 mm projectiles (dark green) , and to understand the nationality?


sorry for the crappy photo:nerd:
regards Nicola

 

[hasag]

Oerlikon 20x110 seem projectiles and TP wishbone.
Without marcages origin in principle impossible to know

 

[smle2009]

This may help

Tony

 

[frasche]

Thank you for your help.
brands are present only on the one with the nose cone unscrewed:
MK-3F 1-43 Y. A.

 

[Falcon]

I believe these are American markings. One of the American members can probably tell you more about them. "1-43" is a date marking. It could either be January 1943 or Lot 1 of 1943.