A random search on a French merchants' website led me to discover the fact that Vistascreen made views marketed to the French market - and there are almost certainly more.
Artistic Nude Series: Stanley Long’s Miss Continentale no. 1 from VistaScreen
In additional to his usual fare - fancy estates, towns, zoos, and so on - VistaScreen's photographer Stanley Long dabbled in artistic figure studies. Largely unadvertised for obvious reasons - this was 1950s Britain after all - few of these sets are floating around. Here's the first in the Miss Continentale series.

