Parke Davis collectible ink blotter from the 1940s advertising Synkamin. The advertisement describes the product as "water-soluble vitamin K for parenteral administration." It is indicated in prevention and treatment of hemorrhage resulting from hypoprothrombinemia. Dosage is given. Ampules supplied in 1-cc boxes of 6 and 25. There is an illustration of the chemical compound. The date 3-41 is written at the top. The Parke Davis identifier is bl-73-2.
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7 X 3.5 inches
Parke, Davis & Company, “Ampoules Synkamin,” American Institute of the History of Pharmacy Digital Collection, accessed October 7, 2022, https://aihp.omeka.net/items/show/568.