This is a 1955 S LWC DDO-001 Stage D cent. Its the only one from that mint in 1955. Stage D as the die crack in the vest and the die scratches through the letter C in CENT on the reverse shows.
But the coin is damaged. When you look at the reverse you can see you see two areas pushed out near the 'O' on ONE. The obverse is Showing two contact marks on the lower right side of the bust.
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