What year made Smith and Wesson Model 25-2 SN N734850 Plus information on model?

M0DEL 25 WERE INTRODUCED IN 1955 AND CONTINUED TO 1991. THERE WERE AT LEAST 7- ENG1NEERING CHANGES. Your 25-2 was of 1980 production and yet had pinned barrel, but without diamond grip insert and of 3-screw design . Finnish was deep blue and available with 3-T option of Target Trigger-Hammer and stocks. Sellers today will ask about $600.00 plus for those in Excellent condition. M0DEL 25 WERE INTRODUCED IN 1955 AND CONTINUED TO 1991. THERE WERE AT LEAST 7- ENG1NEERING CHANGES. Your 25-2 was of 1980 production and yet had pinned barrel, but without diamond grip insert and of 3-screw design . Finnish was deep blue and available with 3-T option of Target Trigger-Hammer and stocks. Sellers today will ask about $600.00 plus for those in Excellent condition.