This CD 145 in a very good looking yellow/green color and BOLDLY EMBOSSED....W. BROOKFIELD over 45 CLIFF St. over N. Y. On the reverse side of the dome is PAT`D NOV 10th 1883 over FEB 12th 1884. On the top of the dome is a large embossed 22. I won`t say that this insulator is mint but it sure has to be close. $100 plus actual shipping cost. #138