Renoir Straw Hat Pin. Inspired by the hats worn by the sitters in the Renoir painting “Luncheon of the Boating Party”. The diameter of the straw hat pin is 4cm complimented by the blue resin ribbon at the back of the straw hat. Made of 14kt gold plate over lead free pewter and hallmarked by the maker, comes with a description of the pin. All jewelry is sent in a gift box for your convenience and to protect during postage.