Sentence:  It 's the Valmet ( about $ 170 ) , a 12 - gauge over / under very much like the old Remington 32 - which <WSD>was</WSD> so fine a gun that today a used one still brings high prices . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)