Beautiful Silver Washed 2-Piece Brass Robinson Eagle I Overcoat Button

Beautiful non dug silver washed, 2-piece brass, Eagle I overcoat button. The front is uncleaned with a mean eagle. The reverse has a c. 1835-1855 depressed R & W ROBINSON * EXTRA RICH * backmark. The shank is straight. Measures 23 mm in diameter. $50