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1980 15¢ "Learning Never Ends" - Education Plate Block
United States #1833 15¢ "Learning Never Ends" - Education Plate Block
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1980 15¢ General Bernardo de Galvez Plate Block
United States #1826 15¢ General Bernardo de Galvez Plate Block
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1980 15¢ Helen Keller & Anne Sullivan Plate Block
United States #1824 15¢ Helen Keller & Anne Sullivan Plate Block
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1980 15¢ Veterans Administration Plate Block
United States #1825 15¢ Veterans Administration Plate Block
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