Keystone 68 1968-10 Reforger 69 (I) - Carbide Ice 1969-01 Grosser Roesselsprung 69 1969-09 Reforger 70 (II) - Certain Thrust 1970-10 Grüner Jäger 70 1970-11 Marne Rock I 71 1971-05 Brickstone 71 1971-09 Gutes Omen 71 1971-09 Reforger 71 (III) - Certain Forge 1971-09
