Harrington and Richardson, an American Gun Company that made a LOT of inexpensive revolvers. But you need to ask an actual question.
25-100 or so
50-125
50-125
100 dollars or so.
50-125
5-90 usd
1957, no
Your best bet is to contact H&R.
Want ads, gun shops, auctions, gun shows.
One of many models made by H&R
10-100 USD or so
Gun shop. On line auction site such as gunbroker. Out of production