Poland, Russian partition, 10 groszy "1840" (1853?-1865), Warsaw mint.
Obv. open beaks of the eagle, a dragon with short wings.
Rv. no dots in legend; in a laurel branch, 1, 2, 1 and 2 berries (counting from the bottom), five leaves under the number 1 in the date
Silver, 2.99 g, 18.9 mm. Plage 106; Chałupski 10g1840-g/a; Kopicki 9387.
Grade: about MS, golden toning, a beautiful coin with no traces of circulation.