Likely that it was made in Spain, since .32 Largo is Spanish for .32 Long.
It will depend on the firearm and the exact markings on the barrel.
You will need to have it examined by a competent gunsmith to be sure.
Pull the triangle pin out from under the barrel and then slide the revolver out to remove bullets
Yes
givin your info id say .32 Rimfire (blackpowder)
Let's use the correct terms- BULLETS are the part of a CARTRIDGE that come out of the barrel. .32 Cartridges are now centerfire, but many years ago were rimfire. .32 rimfire guns have not been made in about the past 100 years, and are considered obsolete. There are also several DIFFERENT .32 centerfire cartridges- .32 Auto, .32 S&W revolver, .32 Long, .32-20 revolver, etc.
@ 50-75 USD. 32 long
You will need the services of a gunsmith.
1931 sales@countrygunsmith.net
1911 police pistol 32/20 double barrel
Impossible to answer without knowing who made it.