#plateblocks

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#usstamps - “Urban Planning” A four stamp corner #plateblocks of the 5-cent Plan for Better Cities stamps from 1967. Bird’s-eye view of a planned city dominates stamp issued during #summitmeeting of national experts concerned with the improvements of city life. #philately #philatelist #philatelic https://www.instagram.com/p/B-Uyn8pFM1B/?igshid=1e38zf083tbtn

This colorful stamp was issued to publicize ZIP Codes. The Zoning Improvement Plan, hence the name ZIP Code, was introduced by the U.S. Post Office Department in 1963. This five-digit national coding system identifies each postal area and allows for speedier and more accurate handling of the mail. #usstamps #philatelist #philately #stampcollection #plateblocks https://www.instagram.com/p/B9kj9DPlpUD/?igshid=1ojri5cme6c6d