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| SetID | 1209 |
| SubSetOf | 0 |
| SubSetOrg | |
| Area | 117 |
| SubRegion | 0 |
| Code | C92 |
| Type | a |
| Design | |
| Perf | 11½x11 |
| Paper | |
| Gum | |
| Printer | |
| Printing | Photogravure |
| Designer | Sun Chuanzhe |
| Engineer | |
| Qty | 0 |
| Issued | 19621201 |
| Exact | Y |
| SetName | Scientists of Ancient China (2nd issue) |
| ShortName | Scientists (2nd) |
| InYearBook | |
| InSet | 8 |
| Sht | 0 |
| MS | 0 |
| Bklt | 0 |
| Face | 84f |
| Comments | set of 8 - each printed in sheets of 50 |
| PicAspect | 0.645 |
| SG | 2055-62 |
| Ma | |
| Scott | 639-646 |
| Chan | |
| Mi | 657-64 |
| Yang | |
| Yvert | 1424-31 |
| OptOn | 0 |
| Wmk | |
| DesignSize | |
| StampSize | 26.5x36 |
| SheetSize | |
| Mint | 80 |
| Used | 6 |