You will have to contact Miroku to find out.
You will have to contact Miroku
No published sn data.
The letters NZ in the serial number indicate that your Miroku made Browning was made in the year 1991.
Depends on how old it is. Have it checked over by a good gunsmith
Try Blue Book of Gun Values.
stirling miroku shotguns were manafactured by miroku for fuller firearms sydney Australia in the 1960s and 70s they were overlooked at the time but now are considered a good gun
No published sn data I know of
No way to tell from just the serial number.
I believe it was known as the "Black Shadow".
1500 au
YES