100-400 USD depending on condition, accessories, box, manual.
100-340 or so
AFAIK, Beretta has never made a handgun in that caliber.
$350
400 or so
100-400 USD
100-1000 USD depending on EXACTLY what you have.
The exact value of a 1910 Colt 22 caliber mini handgun would actually be highly dependent on a number of factors. Most importantly, the condition of the handgun.
75-125 USD
300 or so
200 or so
50-260
About $300-350 in US dollars, depending on condition. The caliber is .380 ACP, known in Europe as 9mm Short (or Kurz, or Corto, depending on the country)