The pricing of a browning model 21 knife can be worst a lot of very little. It all depends on the shape the knife is in.
AFAIK, Browning never made a model 810.
The only Browning Model 725 I am aware of is a knife.
Browning never made a Model 51 shotgun.
10-100 usd
They never did. 14 ga was never made in any model by Browning
Browning never made a model 306
That is not a valid Browning model designation.
The only model that Browning made that comes close to your question is the model B-80.These range in price from 230-300 dollars.As far as my research indicates,Browning never has produced a model 8 shotgun.
The value of a Browning Model 4518 knife can vary based on its condition, age, and whether it comes with original packaging or documentation. Generally, prices can range from $30 to $100, but rare or collectible versions may fetch higher amounts. To get an accurate valuation, it's advisable to check current listings on auction sites or consult with knife collectors or appraisers.
It depends on the model
Never heard of a model 22 BPS. A Browning BPS in 20 gauge can vary from 150-400 depending on condition.
The word Citori is the name of the model of Browning you have.