Bohrinsel
Stamp: "Bohrinsel"
| Printed value | 200 Pfennige  |
Motif, Topic | Technics |
| Circulation | Valid until | June, 30 - 2002 | |
| Published | November, 14 - 1975 | Design | Beat Knoblauch und Beer |
From the series: "Dauermarkenserie: Industrie und Technik"