What is a 20 gauge diamond special shotgun worth?

The Diamond shotgun series is imported by Adco Sales Inc.in Woburn,Ma.These shotguns which are made in Istanbul,Turkey have 3 different models of shotgun in 20 gauge.A Diamond double field grade will be worth 160-250 dollars for a shotgun showing between 60%-90% of it,s original finish and a good set of bores.The Diamond Imperial will be worth between 300-385 dollars,and the diamond double elite will be between 235-330 dollars.