IMHO. the box is quite adequate: Kuznetsky bridge No. 4,
in the same house and shop Faberge.
And cufflinks, their shape and the type zipper correspond to the end of the 19th century.
Surprised by the heraldic Imperial eagle on these cufflinks

Or is it the coat of Arms of the Kingdom of Poland? The centre is badly visible
Mark, apparently erased a little PHO - Fedor Ovchinnikov, factory-owner of gold and silver jewelry.
Well or it is inverted mark "SF" Sergei Fedorov, but he seems to have done a silver bowl, and gold did not.
It is actually strange, firm Fyodor Laurie did a great brooches, cufflinks, etc.
Why are they in my box of someone else's product to sell?
What city brand? There the rider or the head?
Without this stigma sample, no matter how legitimate
Quite possibly the European manufacturer of the first half of the 20th century, which often...