"German Democratic Republic", per Google.
On 2013-11-29 12:46 PM, "Alistair Bell" <albell@shaw.ca> wrote:

> Made a rubbing of the stamp and I think it removes any doubt about that
> �D� that some say is a �B�.
>
> Pic at end of post here:
>
> http://shufti.wordpress.com/2013/11/28/trenching-tools-east-meets-west/
>
>
> alistair