Badge of the Life Guards of the St. Petersburg Regiment. 1910-1917.

Russian Empire, private workshop, 1910-1917.
40 x 43.5 mm.
Weight (with nut): 25.18 g.
White metal, enamel.
The nut has the "ES" stamp in the oval shield.
The badge of the life guards of the Saint Petersburg regiment was ratified on June 26, 1910. Patrikeev, Boynovich, II, 3.1.19