Grade B (pre-owned with some signs of use and previous wear, fully functional)

bearings spin without play but will need clean and lube as I suspect the grease inside to also be over 50 years old

When considering the purchase of this second-hand item, please note that we advocate for the principle of reusability, so if your priority lies in seeking perfection or prioritizing aesthetics over functionality, we kindly suggest opting for a new item. It's important to recognize that the environmental cost associated with returning items, such as the fuel expended in the process, often undermines the very goal we are striving to achieve.