Germany
0.26 - 0.31$
price on 03.02.2023
| Country: | Germany |
| Type: | Postage stamps |
| Series: | Youth: Optical Instruments |
| Nominal: | 50+25 Pf. |
| Year: | 1981 |
| Material: | fluorescent |
| Size: | 35 x 35 mm |
| Perforation: | comb 13¾ |
| Mintage: | 6,283,000 |
Youth: Optical Instruments
 Borda Circle 1800 0.2$ |  Telescope about 1770 0.26$ |  Binocular-Microscope about 1860 0.35$ |  Octant 1775 0.44$ |