Czechoslovakia
Perforation: Line 13 3/4:11 1/2+10 3/4 (mixed - perforating machine failure)
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | Hradčany at Prague |
| Nominal: | 15 h |
| Year: | 1919 |
| Size: | 31 x 27 mm |
| Perforation: | Various |
