Bonjour,
I recently started this Louis XV bureau decorated with porcelaine.
I did not investigate yet on this sign, but a priori it is some porcelaine de Limoges.
Bonjour,
A very elegant piece and still fresh despite its 150 years old:
you may see more here:
http://laurentcluet.com/deMianville.php?ref=LPC034#LPC034