medic boards with unknown device

[heinrich66]

Hello,

i aquired the estate of ab medic officer today,
The group include several boards. some of them are bearing an (at least for me) unknown "Z" device. Could anyone help me out with this device?

[heinrich66]

The complete group:

[Dave Suter]

The 'Z' indicates a Dentist.

[Jos L C]

I agree..

Zahnarzt.

You've a nice group of this medical stuff..

Jos.

[sb98]

Nice WWI cut-out wound badge in there. If that's not interesting for you please let me know .

[andy1230_13]

Zorro-division