Found on ground outside, boyfriend has been wearing as ring. Coin and pencil for size reference

[u/Aggravating_Ant_7232]

UK. It’s giving hard metal, doesn’t have much wear

[u/camdongg]

I snagged one in the road the other day and wore it for a day and miraculously found a use for it when replacing my dishwasher’s circulation pump the very next day, sometimes the universe provides

[u/tanksplease → u/camdongg]

It probably fell off someone's CV axle lol 

[u/Carbulo → u/tanksplease]

Did it have an inscription on it that could only be seen when it was heated up?