Antique French Sterling Silver & Intaglio Engraved Glass Condiment or Caviar Serving Dish intaglio print I'd not be surprised to

I'd not be surprised to see a set such as this on display in the Napoleon III apartments in the Louvre

The set is likely Dutch

it appears you could easily unpick a side and then simply resew it closed after the exchange

but apparently unsigned

Antique French Sterling Silver & Intaglio Engraved Glass Condiment or Caviar Serving Dish intaglio print I'd not be surprised toElegant antique French hallmarked sterling silver & intaglio etched or engraved condiment or caviar service dish with laurel garland motif and wheel cut accenting! One could either have a smaller glass dish floating on ice chips within this one's inner well or even use this as the actual caviar dish and have it resting on ice in a larger outer bowl. A beautiful piece, the etched foliate patterns and wheel cut fluting along with the sun or starburst