Browning made Sweet 16's in 1955, however there was not a special Anniversary model made that year. A 1955 Sweet will run in the $400-$2000 range depending on condition.
Are you sure it is a Sweet 16? please check the following link http://wiki.answers.com/Q/What_is_the_value_of_a_Browning_Sweet_Sixteen
No such model made by Browning.
With the serial number that you provided,your Browning sweet sixteen shotgun was made in 1951.There are 3 distinct values for your browning sweet sixteen shotgun,which will be based on your shotgun having between 60%-90% of its original finish remaining,and a good bore.The plain barrel model is worth between 425-725 dollars,the solid matte rib barrel model is 600-950 dollars,and the vent rib barrel model is between 675-1,050 dollars.
Impossible to answer without a detalied description of all markings and features.
No such model made.
The only Browning Model 725 I am aware of is a knife.
Browning did not make an Invector model. That is the type choke system of the shotgun.
50-1000 USD depending on specifics
If your sweet sixteen is unfired and having 100% of its original finish remaining,the value will be as follows.A plain barrel shotgun is worth 1,075 dollars.A solid matte rib barrel model will be 1,650 dollars,and a vent rib barrel model will bring 2,100 dollars.
Requires professional appraisal
How much is a Browning Sweet 16 gold trigger shotgun worth?
Please add the model of Browning shotgun you have to this info,to get the answer you seek.
I would need to know the Browning model to be of any help to you.
your 1953 browning sweet sixteen if it has a plain barrel would be worth between 500-950 dollars depending on condition,if it has a vent-rib barrel it would be worth between 775-1300 dollars again depending on condition.