Tienanmen definitives

 File:PRC Gate 1.jpg|thumb|center|250px|From the 1950 first definitive issue. File:PRC gate 5th.jpg|From the 5th issue, with network underprint.  The Tienanmen (Gate of Heavenly Peace) definitives were 6 issues that were the first regular issues for the People's Republic of China. Some values are distinctive due to color and denomination, but some are not. Here's how to tell the issues apart:

Regional issues
A couple of regional postal administrations used the same design. East China, North China and Northeast China (two issues). These had small characters in the design identifying the region.  File:NE China gate.jpg|Northeast China 1951 issue. See: Northeast China 

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