1968, Ag-Zn, Binary, Hexagonal

• C300959-3
• C300961-6
• C300963-5
• C300966-5
• C300967-6
• C300969-4
• C300970-5
• C300971-7
• C300973-4
• C300975-6
• C300977-5
• C300979-4
• C300981-7
• C300982-5
• C300983-7
• C300984-6
• C300985-3
• C300986-6