Crown Cork & Seal Company, Inc. Exhibit 11 	Computation of Earnings per Common Share 					 (in millions except per share data) Three months ended Nine Months ended September 30, September 30, 1997 1996 1997 1996 Line									 1 Net income available to common $ 79,370 $103,461 $238,661 $230,896 shareholders 				 2 Weighted average number of shares outstanding during period 128,337 128,181 128,457 120,504 3 Net shares issuable upon exercise of dilutive outstanding stock options: Primary 429 330 598 317 Fully Diluted 429 342 599 333 4 Weighted average convertible preferred stock* 11,325 11,326 11,325 9,001 5 Preference dividends $ 5,859 $ 5,859 $ 17,576 $ 13,863 6 Primary earnings per common share $0.62 $0.81 $1.85 $1.91 7 Fully diluted earnings per common share $0.61 $0.78 $1.83 $1.89 	 * Preferred shares are convertible into common stock (at the discretion of the holder) at a rate of .911. For 1996 this assumed conversion was averaged from the issuance date of February 26, 1996.