More information is needed to identify what you have to be sure; However, it sounds like you have an Auto-5 Shotgun made in 1929. Auto-5's are semi-automatics. 81140 is a serial number, not the model. By variable choke, it's probably a poly choke device which hurts the value. While there are too many unanswered questions to determine value. Most Auto 5's from the 1920s with a poly choke in average condition usually fall between $250 and $400.
made in 1967. $800-1200 is a general area. add $200 if still in the box.
General Confederation of Liberal Trade Unions of Belgium was created in 18##.
Best to ask a gunsmith for assistance. You can get a owner's manual at the Browning site for general cleaning instructions.
Lacking any details about the features, finish, condition, box, papers, any accessories, barrel length, chokes, etc. the answer can only be general in nature. You might be in the 50-500 USD range, give or take.
Anywhere you want. In general, you can use a variable anywhere you can use a number.
dependent variable
If there is an independent variable and a tangible dependent variable in it then it can be tested. A general form of a hypothesis would be: If the (independent variable) (verb)s, then the (dependent variable) will (verb). If it follows this format, it can be tested
independent variable
A specail case representing a general pattern is a number replacing the variable so it will be a answer.
independent... *apex*
It is variable but close to the general weather temperature.
The Duke of Wellington at Waterloo which is in present day Belgium.