German Speedo from 1947, where does it fit?

[Stefan3C]

Hi, and a happy new year to all of you!,
My name is Stefan, I'm from Germany, new to this forum, and I'm kindly asking for your help.

I own a NOS Ford Speedo, stamped 6.47, see pics below, which is a bit of a mystery to me. Even after some research, I still don't know which model it is intended for.
BTW, speedo is NOT for sale, I'm just curious about the history of this part.

The speedo has been build by German manufacturer VDO, showing metric readings. I'd consider "6.47" as June 1947 production date, the speedo shows all signs of 1947 postwar misery, when depressing levels of material/food/fuel shortages have been the norm. The dial is printed on cardboard, none of the parts is plated, only dull black paint or bare metal.
There is a "W 0,71" stamping for the ratio, too. Read 0.71 speedo driveshaft revs for each meter of vehicle travel (or 710 revs per km).
I have inherited this speedo from my grandfather, which never had a driving license, not to speak of a car. It seems a relict of grandpa's postwar activities on the black market. There have been large concentrations of motorized British units in his area after the war, not an unlikely source at least.
What I have found by myself so far:
In 1947, Ford works in Cologone, Germany had returned to manufacturing of 3(5?)ton-trucks as their only product. They restarted building passenger cars in 1948, but nothing this speedo would fit into.

First postwar European assembled V8 Sedan seem to have left Ford Netherlands assembly lines in Amsterdam in May 1947, but guessing at dashboards/speedos of 1947 sedans, it looks like my speedo won't fit. Fixing lugs/back light openings seem to be at the wrong places IMHO.

So back to square 1.

Do those mounting lugs look familiar to anyone of you? To which model of the 1940ties range could it possibly fit?

Thanks in advance for your help,
Cheers from Germany,
Stefan