China
horizontal fluorescent control number appears (on the front) under UV light and varies in length from 10 mm to 16 mm
| Country: | China |
| Type: | Postage stamps |
| Series: | Environment Protection (2002) |
| Nominal: | 60 分 |
| Year: | 2002 |
| Size: | 25 x 30 mm |
| Perforation: | comb 12¾ x 13½ |
