of this Fraternity shall include the promotion of friendship, the exertion of moral influence, the diffusion of liberal culture, and the advancement of equity in college affairs. It shall be non-secret." This version remained with minor changes until around 1923, when the first printed example of the current version was published in that year's edition of the Manual of Delta Upsilon. The "Four Founding Principles" are currently: the Advancement of Justice, the Promotion of Friendship, the Development of Character, and the Diffusion of Liberal Culture. Symbols Badge The current Delta Upsilon badge was submitted to the fraternity's 1858 convention by a "badge committee", chaired by Edward Gardner. It features the Greek letter Delta superimposed on an Upsilon. The arms of the Upsilon each have a word of the Fraternity motto engraved on them in Greek letters, the left arm Δικαια, the right arm Υποθηκη. The Associate Member Pin, also known as the Pledge Pin, consists of a gold Delta on blue enamel with a gold Upsilon in the center. Coat of arms The coat of arms were assumed following incorporation. It is blazoned as Or, a balanced scale proper on a chief Azure, seven mullets of the first, four, and three. The crest is a monogram of the Greek letter Delta surcharged upon the letter Upsilon bearing the motto in Greek letters between two scrolls, the dexter charged with the number "1834", the sinister charged with the number "1909". The supporters are the heraldic banners of the arms of the Undergraduate Convention (Or, an oak tree proper on a mount in base Vert, on a chief Azure annulets (in fesse) co-joined) and the arms of the Assembly of Trustees (Azure, a chevron between five coronets, Or two, one and two). Colors The colors of the Fraternity were approved as "Old Gold and Sapphire Blue" by the 1881 Convention. In 1866, the Convention first adopted "Chrome and Blue" as the official colors. These were altered to simply "Gold and Blue" in 1879, before taking on their current form in 1881. Flag The current version of the Fraternity Flag was established in 1911 and consists of three vertical bars, blue, gold, and blue. The gold section is charged with the fraternity's badge. A flag of a solid gold field charged with a visual representation of the pledge pin is used by colonies. Hat band The fraternity's by-laws formerly prescribed a puggaree to