Dark vivid yellow amber. Single diamond on the front, no other embossing VVNMT condition $15 +shipping. Note: I am listing this insulator for the Trollie Museium of New York in Kingston, N.Y. to help raise funds to support the museium. If you are interested in this insulator or have questions please contact Glen Moffett @845-691-7391 or email glmoffett@yahoo.com Thanks, Mike Spadafora