how old is my gun

Question
i have a j.stevens pump 22 the wording reads j.stevens arms co. it has the number 20 stamped on it and the symbols svg surrounded by a circle,also what kind of wood did they make the stock out of and approx how old is it,it was my fathers grandpas gun and my father is 77 years old

Answer
Without examining the firearm, I could only speculate on your needed answers BUT go to the link below and compare the data to your gun.  sorry I can't provide definitive answers but I can't without seeing the gun.


Vic


http://www.geocities.com/c-thunderer/STEVENSRIFLES.html