- Issue Date: 1990-10-10
- Withdrawn:
- Designed by: Yang Guchang (Des) & Liu Xiangping (Des)
- Engraving:
- Printed by: Beijing Postage Stamp Printing Works
- Print Process: Offset
- Paper:
- Stamps size (mm): 40x30
- SS size: (mm):
- Perforation: 11x11
- Watermark: N
- Format: Sheet of 50 (5x10)
- Booklet: N
- Phosphorescent band in stamps: N
 8分 medical scientis |
 10分 Astronomer |
 20分 chemist |
  30分 agronomist |
_1990_Modern_Chinese_Scientists_a.jpg){kind=link}
_1990_Modern_Chinese_Scientists_b.jpg){kind=link}
_1990_Modern_Chinese_Scientists_c.jpg){kind=link}
_1990_Modern_Chinese_Scientists_d.jpg){kind=link}
_1990_Modern_Chinese_Scientists_FDCa.jpg){kind=link}
_1990_Modern_Chinese_Scientists_FDCb.jpg){kind=link}
_1990_Modern_Chinese_Scientists_FOLa.jpg){kind=link}
_1990_Modern_Chinese_Scientists_FOLb.jpg){kind=link}
| Image | Value | Perfor | Color | PR | WM | Ovpt | Stamp Catalogues | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SC[1] | YT[2] | MI[3] | SG[4] | SN[5] | |||||||
|
8分 | 11x11 | Multi | 0 | N | N | 2301 | 3022 | 2327 | 3702 | J173 (4-1) |
|
10分 | 11x11 | Multi | 0 | N | N | 2302 | 3023 | 2328 | 3703 | J173 (4-2) |
|
20分 | 11x11 | Multi | 0 | N | N | 2303 | 3024 | 2329 | 3704 | J173 (4-3) |
|
30分 | 11x11 | Multi | 0 | N | N | 2304 | 3025 | 2330 | 3705 | J173 (4-4) |
 |
FDC | 11x11 | Multi | 0 | N | N | 0 | 0 | 0 | 0 | J173 (1-1f) |
- Notes