Halston with models from "Ultrasuede: In Search of Halston" distributed by Tribeca Film. Photo Credit: Roxanne Lowit/Tribeca Film. In early June, fashion personality Cameron Silver will present his first collection for H by Halston, a 128-piece line that starts at $32, tops off at $339, and includes caftans, jumpsuits and other silhouettes that nod to the…