It depends on the condition of the gun.
50-300 USD
50-500 usd
50-550 usd
50-250 USD or so
50-350 usd
50-550 usd
50- t500 uSD
50-500 usd
Your winchester model 50 semi-auto shotgun is valued at between 250-400 dollars for a gun with 60%-90% original finish and a good bore.
50-1000 USD depending on specifics.
50-400
Your winchester model 50 semi-auto shotgun was made by winchester in 1956.