Ten-ruble coin, 1757 Obverse side

Empress’s bust, facing right; imperial crown on head, hair swept
back and adorned with comb. Bust slightly draped, breast graced with
brooch. Obverse die by Jacques-Antoine Dassier.
Circular legend: Б∙М∙ЕЛИСАВЕТЪ∙I∙IМП∙IСАМОД∙ВСЕРОС∙
(BY THE GRACE OF GOD, ELIZABETH I, EMPRESS AND SOLE RULER
OF ALL RUSSIA)
Mint mark under portrait: СПБ (SPB)