The last case was in 1971 when two Pittsburgh shopkeepers were charged with blasphemy for displaying a poster with the well-known cartoon below on it. The prosecutor asked that the charges be dropped.
(Image taken from Investigation of Communist activities in the New York City area. Hearings (1951) but the original is from 1917. It was often used by labor groups. I can't be sure it was the same as the shopkeepers were shown (no image in the book I'm using as a source) but the wording is the same. The wording is "Reward for information leading to the apprehension of --- Jesus Christ Wanted -- for Sedition, Criminal Anarchy - Vagrancy, and Conspiring to Overthrow the Established Government. Dresses poorly, said to be a carpenter by trade, ill-nourished, has visionary ideas, associates with common working people the unemployed and bums. Alien - beleived to be a Jew Alias: 'Prince of Peace, Son of Mon'-'Light of the World' etc etc Professional Agitator Red beard, marks on hands and feet the result of injuries inflicted by an angry mob led by respectable citizens and legal authorities.")