Rouble 1770 MMД-ДM.
Moscow, Red mint. 23.01 gm. Bit 132 (R2), Ilyin (25 Rubl), Petrov (30 Rubl), Konros 4350 (R3). Very rare. Reverse laminations, and struck from dies in late stage of erosion. At point of wear -
Ex 'The New York Sale', XXXVIII, January 7, 2016, lot 2133. Comes with sales tag.