| SetID | 158 |
| SubSetOf | 0 |
| SubSetOrg | |
| Area | 2 |
| SubRegion | 0 |
| Code | RC134 |
| Type | a |
| Design | Dr Sun Yat-sen small T near tie |
| Perf | 12½ |
| Paper | |
| Gum | none |
| Printer | Central Trust, Shanghai |
| Printing | Recess |
| Designer | |
| Engineer | |
| Qty | 0 |
| Issued | 19490101 |
| Exact | N |
| SetName | SYS 13 with secret marks printed by Central Trust |
| ShortName | SYS 13 (Central Trust, Shanghai) |
| InYearBook | |
| InSet | 2 |
| Sht | 0 |
| MS | 0 |
| Bklt | 0 |
| Face | |
| Comments | Plates made from Dah Tung die with various secret marks added |
| PicAspect | 0.742 |
| SG | 1161-2 |
| Ma | |
| Scott | 895-6 |
| Chan | G137-8 |
| Mi | |
| Yang | |
| Yvert | |
| OptOn | 0 |
| Wmk | None |
| DesignSize | |
| StampSize | |
| SheetSize | |
| Mint | 1 |
| Used | 2 |
List of Chinese/English names of Post Offices up to 1949 (on this site).
Very good for recent issues
USA based society. Many resources including Postal Rates in PRC and much more.
London, UK based society.
A wonderful specialist site for this area, including Manchurian Overprints section.
Part of the online WikiBook for all meter stamps.