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Sinkiang Overprints on Central Trust, Chungking Sun Yat-sen issue (SYS6)
There were 3 different overprints on this issue.
To add to the complexity, there are the different papers that the basic stamps were
printed on. Papers of the Sun Yat-sen Chungking Central Trust print are described in
the SYS6 Papers article. There are also different perforation gauges of the basic stamps, although the
stamps perforated below guage 12½ seem to have escaped the Sinkiang overprints.
Overprint Types
Type 1
Type 1 overprints, issued at Tihwa in Sinkiang, are characterised by:
- Long left stroke of the first character. Markedly different to the left stroke of
the Type 3 first character, not so different from Type 2.
- The strokes of the first character were heavier (slightly thicker) than the strokes
of the first character of the Type 2 overprint.
- The two dots below the second character were not joined.
- The fourth character is slightly larger in width than in the Type 3 overprint.
- The dot a the top right of the third character is positioned with its centre
approximately opposite the end of the slanting stroke next to it. Again, the Type 3
overprint shows more difference than the Type 2 overprint.
Type 2
![Type 2]()
Type 2 overprints, issued by the GPO in Chungking, are characterised by:
- Long left stroke of the first character. Markedly different to the left stroke of
the Type 3 first character, similar to the Type 1 but perhaps not as long.
- The strokes of the first character were lighter (slightly thinner) than the strokes
of the first character of the Type 1 overprint.
- The two dots below the second character were joined.
- The fourth character is slightly larger in width than in the Type 3 overprint.
- The dot a the top right of the third character is positioned with its centre
approximately opposite the end of the slanting stroke next to it, or having the end of the
slanting stroke slightly below the middle of the dot.
Type 3
![Type 3]()
Type 3 overprints, issued later than the previous types, are characterised by:
- Short left stroke of the first character.
- All of the characters were slightly narrower than the characters of the other overprints,
especially noticeable in the fourth character.
- The two dots below the second character were joined. Both dots were steeply angled.
- The dot a the top right of the third character is positioned with its lower end
approximately opposite the end of the slanting stroke next to it.
