Unknown 45 acp


#1

45 ACP blank?
What have I got, who made it and what is its use?
Narrow extractor groove
IC over arrow
45%20acp%20IC%20arrow

45%20acp%20IC%20arrow%20b


#2

Might it be a .455 auto blank? Appears to be semi rimmed.


#3

.470 rim
.466
.465 c/m
.922 c/l


#4

Can anyone identify the headstamp?