Czechoslovakia
Not listed in SG catalogue
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Postal emblems |
| Nominal: | 20 h |
| Year: | 1974 |
| Material: | fl1 - fluorescent paper (UV - yellow) |
| Size: | 22 x 26 mm |
| Perforation: | frame 11¾ x 11¼ |
