Germany: Rocket- mail labels

Here are the labels intended for rocket-mail. The pink colour labels not listed in catalog.

Year: 20.10.1934, Gummed. Günter Mair's catalogue no: - GER-C-29, imperforated, vertical strips of 4,
intended for rocket-mail in Italy, issued by G.Zucker, engineer at Hasselfelde, black/blue, ref.: "20. 10. 34 - 125 à 4", 5*****

Year: 20.10.1934, Gummed. Günter Mair's catalogue no: - GER-C-29b?, imperforated, vertical strips of 4,
intended for rocket-mail in Italy, issued by G.Zucker, engineer at Hasselfelde, black/pink, ref.: "20. 10. 34 - 125 à 4", 5*****