Show I Price of Copper Makes Further Advance Continuing the impressive adVance advance ad- ad vance of the past week copper prices Saturday were marked up another quarter ot of a a cent a pound to 19 3 for export and 19 1 domestic a cent and a halt half rise forthe for forthe the week according to an Associated Assort Assort- Press dispatch from fram New York The dom domestic price Is for deliveries to tile the end ot of JUne In tile the trade it I Is said that foreign buYing the next few days das determine the price trend tren from tile the present level level Foreign demand was held bl for recent advances |