Helicopter prototype or autogyro?

[edwest4]

FOTO (14x9cm) - FLUGZEUG - 1920/30 - HUBSCHRAUBER mit "BGB" - SELTEN | eBay

Paragraph 86 und 86a StGB. Zustand: Guter Zustand - Siehe Fotos !

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[Stargazer]

Definitely autogyro, or in this case, "autogiro", the trademark spelling that Cierva owned and that was applied to all his officially licensed designs. I believe this one to be an AVRO 620 (Cierva 19 Mk.II, or maybe Mk.III).