No way to answer without a detailed description
Impossible to value with only a serial number.
Up to 1000 USD
100-1000 USD
100-1000 USD or so
100-500 USD
50-200 USD
50-400 usd
Your gun was made in 1956. As for the value, it is all dependent on condition.
$250-$500.
200-2000 USD depending on specifics
$250-$500.
Provide a detailed description of ALL markings.