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Baltimore is the largest city in the U.S. state of Maryland, and the 26th-most populous city in the country. It is the largest independent city in the United States.
Baltimore (US-MD)
Precancel Baltimore on Scott 557, Roosevelt. c.1922.
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Meter cancels
Meter cancel Baltimore, 1937.
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Meter cancel Baltimore, 1961.
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Cards and Covers
First Day Cover