This Tray - Gzhel product. Gzhel - name of Russian ceramic, made near Moscow. Firstly produced in 14 century, this ceramic products become very popular in Russian and Europe.
Gzhel products made from Unique Russian clay. Paint made from cobalt paint, with heat treatment. This mean, that paint saving for a very long time (2-3 century at least :) ).
This Tray is a great additional part for your Gzhel set ;)
Original Gzhel products!
Size - 33,5x22x2 cm