Delta Upsilon's Coat of Arms is set forth in the Laws of the Fraternity and are thoroughly blazoned. There is generally little confusion of terms because our membership manual devotes an entire appendix to Heraldry and Insignia. The blazon is listed on the fraternity's Wiki-article:
http://en.wikipedia.org/wiki/Delta_Upsilon
The coloring on the wiki-article image is off, the best version is from the DU Educational Foundation website:
