does anyone have an idea of what these might be worth ? found them in the attic of my garage, for got i even had them lol. anways just wanting to know what kind of value they might hold.

i was out in the yard today taking the leaf springs off my axles and started to look for any tags of any kind which i found none, i did find some numbers though and i want to know if anyone can decipher them for me ?first pic is of the rear axel which reads c 30255 and the front axle which reads...