Watch List notes:

(Tsarist) Russia, Catherine I (1725-1727), Copper Plate Money Kopek, 1726, KONENKA above imperial double-headed eagle, EKATERINA below, 1726 in square formation arond, rev. tooled blank, edge plain, 19.47g, (Bit 360 [R-4]; Brekke 34), even chocolate patina, good very fine, extremely rare.

Estimate: $1000 - $1400