Rare set of 12 Royal crystal water glasses, service of King Louis Philippe

Rare set of 12 Royal crystal water glasses
From the service of King Louis Philippe at the castle of Dreux
Set of twelve crystal water glasses in the shape of a straight beaker, resting on a round base, engraved with the royal cipher of king Louis-Philippe.
The reverse marked with the letter D of residence for Dreux.
Very good condition.
Unknown factory, July Monarchy period (1830-1848).
H. 8.5 cm.

Provenance
- Louis-Philippe, king of the French.
- Sale of the Domains, 1854.