Impossible to answer without a detailed description of all markings, features, box, papers, accessories, etc..
No such A5 model number.
A Browning model BPS magnum hunter/stalker in 10ga.will bring 415 dollars in 95% original condition.
500 USD or so
50-750 usd
Made in 1953, these guns at 98% condition have been selling in the $1200-$1500 range.
500 USD or so
Your Browning Hi-Power was made sometime between 1945-1954.The serial number range during this time was from 1-72250.Browning has no records recorded for this time frame.I would say that it was made in 1945.The value of a browning Hi-Power in the condition that you describe will be 1,100 dollars.
This gun should bring $500-$750 depending
Impossible to answer without knowing what model
100-1000 USD or more depending on specifics.
Your browning standard weight 16ga auto-5 shotgun which was made in 1937,is valued at between 375-475 dollars based on the condition that you stated.
Go to Browning's website under Support then go to Date your firearm. Value of any used firearm depends upon condition and area of sale.