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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.
Your Browning Hi-Power 9mm handgun was made in the year 1959,and will bring between 300-600 dollars depending on overall condition and a good bore.
It was made in 1995. Usually these guns sell in the $300-400 range
Browning Challenger made in 1974. $300-$400.
The M69 suffix identifies your 300 win mag as being a browning BAR that was made in 1969.
Your serial number suffix of M72 indicates that your rifle was made in the year 1972.
Last year I bought a Browning A-bolt 22 rifle for 300 dollars.It was new in the box.
Your serial number of H40721 indicates that you have a Browning auto-5 standard weight shotgun that was made in the year 1955.These fine Belgium made shotguns are valued at between 300-550 dollars depending on overall condition,and a good bore.
It sounds like you have a Mauser made Browning in Safari Grade. The "P" at the end of the serial number is an unknown character. Value depends on condition. Use the blue book link for values
300 USD
with these fine made Belgium shotguns,condition is everything in the value of your Browning Sweet Sixteen shotgun which was made in Belgium in the year 1957.They can be worth between 300-1,200 dollars if the original condition is quite prevalent and the bore is in excellent condition.
This was actually made in 1947. Everything depends on condition and weather it is a light 12 which came out that year. $300-$1000 depending....