January 14, 1922
Certificate with seal and purple and yellow ribbon at lower left corner. Insignia at top includes shield with stars and balance. Text in part: "The Delta Upsilon Fraternity. We the president and members of the Oregon State Chapter of the Delta Upsilon Fraternity do certify that by virtue of the authority vested in us by the constitution of the fraternity, Linus Carl Pauling has been admitted to fellowship in the fraternity..." Four signatures at bottom right.
Presented by Delta Upsilon Fraternity.
Name: Delta Upsilon Fraternity