Can anyone identify these brakes?

[All uphill]

I remember seeing something like that on an East German bike many years ago.

I agree with the comment about the mudguards very cool!

 

[V-CC]

The brake is quite similar to a Bowden-Posenaer of the early 1950s such as this.

 

[Mike_P]

The mudguards look to be these https://www.tritoncycles.co.uk//accessories-c11/mudguards-c146/ene-f-2-mudguards-p13342/s37595