1834 Liberty Capped Bust Quarter, Type 2 reduced diameter, O over F in "OF" very nice looking quarter: "One major variety of the 1834 Capped Bust Quarter features a doubled die error on the reverse of the coin. In the word "OF" in "UNITED STATES OF AMERICA" - part of an underlying "O" is struck on top of the "F"." USA coin book, This feature is depicted by the arrows in the photo. this quarter has a rotated reverse by est 5%.