641. To THE POLISH BUREAU OF THE C.C., R.C.P.(B.)
28. VII. 1920
I recommend the bearer, Comrade Ivan Lukich
Prominsky,
a Polish worker, Social-Democrat since 1894.
I know him well from exile in 1897–1900. Please have confidence in him and give him assistance.
V. Ulyanov (Lenin)
Member of the C.C., R.C.P.