Very scarce forerunner fieldpost card the fieldpost station office No 6, written in Lungtsüankwan at the 17.4.01, because the stamp the fieldpost station office No 6 first at the 18.4.01 delivered was, resulted the transport over Paotingfu with postmark" K. D. Fieldpost station office No 7 " from 24.4.01, only in few pieces documented transport route, is absent in almost everyone collection, detailed photo expertize Steuer BPP, study group unknown!