Travel the world at Onslows’ poster auction June 30DORSET, England – Onslows Auctioneers’ annual summer auction of classic vintage posters will present a tempting selection for collectors with estimates ranging from $150 to $4,500. LiveAuctioneers will provide Internet live bidding. Leading the field will be a single-owner collection of 1970s Formula One posters and ephemera. The posters cover British driver James Hunt winning […]