You pretty much have it all.
Rossi. They are owned by Taurus
You will have to contact Rossi to find the exact alloy.
Rossi Firearms sells all sorts of guns like handguns, shotguns, rifles and many more. One can purchase these guns from their official website which is Rossi USA.
10-100 USD or so
Spelled Rossi. Brazil.
Try to find the contact information for BrazTech. I have a Rossi .223/20ga. shotgun and that is who I had to contact to get info
ANY firearm CAN misfire, for a variety of reasons. The quality of Rossi firearms has improved greatly over the past 30 years, and I am unaware of any specific problems with modern day Rossi products.
Yes, Amadeo Rossi is a Brazilian firearms manufacturer that have been selling a good quality copy of the Winchester 92 for many years.
Should be marked on the barrel
$150-$220, depending on type of metal and condition.
About $130 for one in excellent condition.
From a 1961 ad, they sold "The Regent" (new that year, 22LR Revolver) for $35.99, the Astra, a small semi-auto pistol in 22 short and .25 cal for $29.90 and a The Matador, a double-barrel shotgun for $169.50. Most were imported guns from Italy, and both Taurus and Rossi have FIC of Washington, DC as customers.