i found two old boxs of win silver tip ammo one is 270 150 gr silver tip win and the other is 30/30 silver tipit is olin the boxs are in fair shape 70% is it worth keeping or should i shoot it the shells are in great shape i wouldnt think there wouldnt be any thing wrong with them

What color are the boxes? Some of the really old ones are collectable.

the 30/30box is yellow and at the top has wesrern then super x the x is in red then a blue band with slivertip 170 gr controller expanding bullet the 270 box is all yellow with western and the x over super in red and a white strip on the side with 270 win 150 gr. soft pt

is there any reson not to shoot this ammo it isnt collector grade

Either keep it another fifty years when it will be collectable or go ahead and shoot it. It should shoot just fine.