Thank you. Glad you like them.
The figures are 54mm metal from the following two studios:
Russian Vityaz (Arsenyev)
Nevskaya Miniatura (Gapchenko)
It should be noted that many of the sculpts you see coming out of Russia are not exclusive to any particular studio. This is why you will see figures like the seated arquebus samurai and ninja, that have appeared in the Aeroart catalog, painted to a higher standard through a different studio.
Frank