303 British
Australian Proof
This is a scarce, if not
rare, speciman of a 303
British,  Proof Cartridge
made by the (Small Arms
Ammunition Factory No 1)
Footscray, Melbourne,
On the head Stamp the date
(1957)  is known by the "57",
Proof Cartridges are
Identified by the "Q" and
Mark III by the "3" after
the "Q".
The Projectile is crimped
with 3 seams in the case,
these seams are not case
mouth splits.
Note the bottom picture,
loaded with Cordite in
Very late for Cordite?
$ 49.50 per
Very Limited, Limit One