50-300 USD or so
The Pistol and the Stamen are the reproductive parts of a flower. The Pistol is female and the Stamen is male.
SOME (not all) parts are available from gunpartscorp. Check their website.
Want ads, e-gunparts.com, gun shop, gun show.
Possibly Numrich Gun Parts of NY.www.e-gunparts.com
Try e-gunparts.com, internet, gun shows, gun shops, want ads.
Depending on condition, $150-$200. Star is no longer in business, parts will eventually be a problem.
Panzer derringers were cheap imported guns. The manufacturer is not available. Best place to try is a gun show, or one of the big name parts dealers like Numrich.
Roughly $900-$1200, depending on markings, condition, and matching parts/ correct magazine, etc.
500 USD
Try gun shops, gun shows, for sale ads, want ad, estate sale, garage sale, pawn shop
Depends on original condition from a $100 parts gun to as much as a $1,200 new in the box.
Never saw a 25mm pistol magazine (proper name for a clip). That would be a bullet 1 inch wide. If you mean .25 caliber, no. Just as different cars use different spark plugs and oil filters, so different guns need different parts.