45
50-550 USD or so
0.05 in
11.5 mm bullet diameter
100-1000 depending on EXACTLY what you have, condition, box, accessories, papers, history, etc..
$200
100-300 USD
Multiple thousands.
The Model 57 is a 41 Magnum.
SAMMI shows 357 operating at higher pressures
100-1000+ depending specifics
100-800 usd
it all depends on if your buying, selling. or collecting. I have one that I have had for thirty years and wouldn't sell it for anything.