Calendar RU420105-1004B
Embossed steel. Embossed outside. Beer. Zhigulevskoye. Production period: 1976-1978.
Inscription on cap: along the inner circumference - "ГОСТ 3473-69 М.П.З.", along the outer one - "Жигулевское Цена 25 к.б.п."
The separators in the text along the outer circumference are stars. It differs from the base variation: dots after М, П, З in the name of the brewery.