X | 10b | oil refinery | 12 | |||
X | 35b | oil refinery | 12 | |||
X | 40b | oil refinery | 12 | |||
X | 50b | oil refinery | 12 | |||
X | 80b | oil refinery | 12 |
- | 55b | oil derricks | 12 | |||
- | 70b | oil derricks | 12 | |||
- | 90b | oil derricks | 12 | |||
- | 500b | oil derricks | 13.5 | |||
- | 1000b | oil derricks | 13.5 |
- | 1b | 10.5 | ||||
- | 5b | ol | 10.5 |
- | 5b | grn | Posthorn overprint Bs 5 DS 21-IV-55 on Bs 3 | 10.5 |
- | 5b | bl | plane over airport | Various |
- | 10b | airplanes | 10.5x12 |