Russian occupation of Preussen, Elisabeth, 3 GROSCHEN 1761, Konigsberg - RARE

A nice piece of coinage occupation coinage.

Very rare variety with ARGNTEA error.

Obverse: bust of the Tsarina to the right, in the rim legend:
ELISAB:I:IMP-TO-T:RUSS;

Reverse: Prussian eagle with the denomination inscribed in the breast, at the tail the date 17-61, in the rim the legend:
COIN-ARGNTEA-REG-PRVS;