Uncommon, original  PRO-KIT, Chemical Prophylactic Packet, Stock No. 9N58000, consists of tube of ointment, soap impregnated cloth, and cleansing tissue, still sealed in brown paper envelope. Envelope is discolored and shows wear from age but has never been opened. Mfg by PetrogalarLaboratories, Inc., Chicago, Ill. A must for any WW2 GI personal items or medical gear collection!