It's not possible to answer the question as asked. There are too many types, models and variations of these guns to consider. These guns can sell for as little as a few hundred dollars up to thousands, depending on what model it is, when it was made and condition. Condition is everything when appraising a gun. As always, it's recommended that you have it appraised at a Gun Shop or qualified professional.
1973 Belgium
100-1000 USD and up depending on specifics
Impossible to answer without a detailed description of all features, condition and markings.
1973
YEAR 1973
1973
Your serial number indicates that you have a Browning BAR that was made in the year 1973 with the suffix of M73 after the serial number.
The Browning Auto-5 shotgun with the serial number 1G 30156 was manufactured in 1973. The "1G" prefix indicates it was produced in Belgium, and the "30,156" is the unique identifier within that production year. Therefore, as of 2023, the shotgun is 50 years old.
The exact value of a Browning 1973 U73 22 pistol made in Belgian is actually dependent on a number of factors. Most importantly, the condition of the pistol.
100-600 usd
Does not exist. The Citori did not start production until 1973.
If your Browning was made by FN in Belgium then it was made between 1969-1973.If it has made in Japan by Miroku,then it was made after 1973-1974.You may contact Browning/Winchester directly and they will assist you in dating your lever action rifle,s year of Manufacture.