You could do worse
$50-$75. Maker is Hermann Weirauch.
25-70 USD or so
The value of an Arminius .357 caliber 6-shot revolver can vary depending on its condition, age, and specific model. Generally, prices range from $150 to $300 for a used model. It's recommended to have the firearm appraised by a professional to get an accurate value.
Have a gunsmith examine it.
$50-$150
No published sn data
Internet, gun shop, gun show, want ads.
Try e-gunparts.com
What is the value of a Walther Model II .22 cal. 9 shot magazine?
50-200 USD or so depending on specifics
its value is what another man is willing to pay for it.