1973 Belgium
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 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.
500-700 usd
Impossible to answer without a detailed description of all features, condition and markings.
1973. The first two numbers represent the year of manufacture.
1973, 50-500 uSD
Believe you have a B2000 shotgun made in 1973. Check the model then use the link to look up value in the blue book of gun values.