Go to a cobbler (shoe repair center) and ask for “heel black” It’s a
dense hard black wax. If you can’t get this then go to an art vshop
and ask for the wax used for “rubbings.” If the shops any good
they’ll realise that you want the stuff used for copying copper and
brass church plates and engraved stones.
Warm the ring (hot, hot, hot) and rub the heel black over it. The
wax will melt and fill the crevices.
Polish out the unneeded material with a soft piece of denim!
Do not apply any permanent processes to antique material. It will
ruin it’s value and you may come across problems if you try and do a
Key West Florida 33040