Focke-Wulf type FW-19 - rare photo !

Rare photo of a Type FW19 Ente Focke Wulf with registration:

D-OBIR ! 

Only 2 aircraft of this type were built. First example crashed resulting in the death of founder Mr Wulf, among others. The second example was lost to allied bombing raids

Size : 6 x 8.5 cm.
Agfa Brovira photo. Described on reverse with pencil, no glue residue.