Sasha and Abby: Is it the 2 3/4" chamber or the 3" chambered heavy "Duck Gun"?
I'll see if I can help with an appraisal after that is clarified.
Cool guns these, I used to collect them but sold'em all turning the funds into pre-64 Model 70 Winchesters.
Good luck in your quest.
Hold into the wind
VarmintGuy