Front: "25 1 CC. No. 199 // AMPOULES // SYNKAMIN // VITAMIN K // 1 MG. PER CC. // (as the Hydrochloride) // PROTECT FROM LIGHT // Stock 3-199-25 // PARKE, DAVIS & CO., LTD. // BROCKVILLE, ONTARIO"; top: "25 1 CC. No. 199 // AMPOULES // SYNKAMIN // 1 MG. PER CC. // (as the Hydrochloride) // PROTECT FROM LIGHT // Synkamin–Reg. T.M. // Stock 3-199-25 [printed] // Expiration Date: Aug. 1970 // L [encircled] W 138 H [stamped] // DNA [crossed oout] // RLY // X [handwritten over printed text]"; back: "For prophylaxis and treatment of hypoprothrom- // binemia attributable to a deficiency of vitamin K. // Each cc. contains 1 mg. of 4-amino-2- // methyl-1-naphthol (as the hydrochloride), // with 0.2% Sodium Bisulphite as a // preservative. // NOTE: For Therapeutic Use Only. // DOSE – 1 to 5 cc. intravenously, intra- // muscularly or subcutaneously. See en- // closed circular."