1980 Organized Labor Block Of 4 15c Postage Stamps - Sc# 1831 - MNH, OG - CW21b

1980 Organized Labor Block Of 4 15c Postage Stamps - Sc# 1831 - MNH, OG - CW21b

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On September 1, 1980 in Washington DC; the USPS celebrated the American Labor movement and its founders. Some of the objectives of the movement include free public education, child labor laws, an eight-hour work day, and payment of wages in legal tender.