Same thing, just different companys product.
On the end label of the box.
You will have to find a copy of The Standard Catalog of Smith and Wesson and check each model number.
Wesson made a few different types
Best all around reference is the Standard Catalog of Smith and Wesson, 3rd ed., by Supica and Nahas.
Designation for different products
Smith and Wesson's most popular revolver was the .38 Special, widely used by police officers, both in the United States and abroad.
The Black Hawk is made by Ruger, not Dan Wesson. Different gun, different value. SO- which do you have?
a 629 in 7.5 inch ss unfluted cylinder
Yes. Many different models made.
No, that is a different company.
You will have to call S&W. Othewise it will take researching @ 400 pages of material.
The Wesson part of Smith and Wesson.