Framed license from the Board of Pharmacy of the State of Minnesota, issued on March 4, 1893 certified Peter M. Mark of Fosston, Minnesota as a registered Pharmacist.
Peter M. Mark was the founder of the P. M. Mark Medicine Company, "Manufacturers of Mark's Celebrated Remedies," and the owner of Mark's Drug Store. Born in Norway, he died in 1932. His son, Harold Fritjof Mark, worked in both of the family businesses. Mark's Drug Store served residents of Fosston, Minnesota from 1892 to 1968.