(Kappie) op eigen zeebenen staan 

• 1975 
• Poster / promotion 
• Toonder, Marten 
• Zeevaartscholen 

Poster, combined issue by various Dutch shipping courses. Not from the 80's, in the mid 70's the courses have already changed a lot. Especially considering the thread. The transmitting equipment became much simpler with more options, echo, radar and were already on the bridge, no longer separately.

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