GilRising

Thanks for all the great information, really useful, and good to get a rough idea on price if in good condition. Not mine at any rate, but solid information to relay back to give them a few options if they want it protected. 

I am not a collector or stacker of sovereigns, however, was talking generally about coins with a relative and they said they had a gold coin tucked away. Turns out it is a 1990 Proof Sovereign. 

There is one small dark spot on the reverse above the horses head, and what looks like a smudge at the rear legs. On the obverse there is quite a significant smudge/mark on the Queen’s cheek, and some spots below her chin. 

I think it has literally sat in a drawer for 30 years, so not taken care of as such. I’ve included a few photos. 

Are the marks something that can or should be cleaned? If so, what is the best way to go about it.