1971 (Aug 11) Viet Nam Cong Hoa Military Free frank no value (-) soldiers herding Refugees Stationary airmail envelope issued to Vietnam military & addressed to another soldier at K.B.C. 4002 cancelled Quan-Buu (Military Mail) cds & with red circular K.B.C. /4825 hand stamp …. ……..
The no value (-) stationary is scarce & K.B.C.numbers are the equivalent of FPO’s & APO’s numbers with each unit being allocated a different number unfortunately all official records showing locations & Unit allocations was apparently destroyed when Saigon fell 30 April 1975.