Best bet is to take it to a gun shop
Currently, none.
Generally no, but possibly.
20-60
yes, the company existed
@ 100 USD
There is not enough information here to provide an answer.
About turn of the century
@ turn of the century
monkeys r kool
They do not make a nine shot pistol made by Iver Johnson. These pistols were available in the 1940s.
Yes, I have a 12 gauge choke bore barrel & lug forged in one by Iver Johnsons Arms & Cycle Works. Champion is clearly listed on the shotgun and it was manufactured in Fitchburg, MASS USA.
Your .410 probably uses the short shells and is of the vintage of about 1908 give or take.