Судя по ВИКИ, так маркировались изготовленные во Франции пистолеты:
Есть контакт!
The HSc pistols made by the French in 1945–46 bear an RW proof. Most of these pistols were destined for French forces fighting in the First Indochina War. http://en.wikipedia.org/wiki/Mauser_HSc
Спасибо и удачи!
>The HSc pistols made by the French in 1945–46 bear an RW proof. Most of these pistols were destined for French forces fighting in the First Indochina War.
Cпасибо. Так и есть