Condition?
About $1100 LNIB (factory rebuilt, actually), and $700 in 95% condition.
100-350 or so
200
50-250 USD or so depending on specifics
It depends on several factors, and it is too broad of a question to answer.
A well-used Walther P99 AS (Anti Stress) handgun in 9mm/.40 S&W tends to fetch a price of $500 to $600 in today's market.
100-500 USD or so
$489!!
You need to give a specific brand, model, and tell what kind of condition it's in to get a good answer.
$50 - $100. These were guns made to be cheap
your question reads like 'what is the price on a used chevy' ??? you have to give full details. condition, model, serial number, bore condition, etc, etc.
The most accurate handgun is the CZ 75 SP-01 and it retails at around $600 - $700.
25-65 USD