Czechoslovakia
0.64 - 0.77$
price on 06.12.2022
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | First Five-Year Plan |
| Nominal: | 4 Kčs |
| Year: | 1951 |
| Size: | 27 x 33 mm |
| Perforation: | line 12½ |
| Mintage: | 560,000 |
First Five-Year Plan
 Drop hammer 0.21$ |  Installing gear 0.15$ |  Drop hammer 0.64$ |