Final prices in dollars per ton - cash and forward - on Thursday. Also given are the previous days' quotations. # cash forward Copper 4,355.00* ( 4,240.00**) 4,350.00* ( 4,350.00**) Lead 1,320.50* ( 1,320.50**) 1,322.50***( 1,322.50**) Zinc SH 1,383.00* ( 1,326.00**) 1,410.50* ( 1,354.50**) Tin 12,435.00* (12,225.00**) 12,235.00* (12,235.00**) Aluminium 1,320.00* ( 1,275.00**) 1,350.00* ( 1,305.00**) Nickel 11,275.00* (10,920.00**) 11,325.00* (10,975.00**) * Values from April 29 ** Values from April 23 *** Values from April 28 #