Embossed steel. Embossed outside. Beer. Zhigulevskoye. Production period: 1972-1978.
Colors:
Inscription on cap: along the inner circumference - "ГОСТ3473-69 МОЭПЗ", along the outer one - "Жигулевское Цена 25 к.б.п".
Two little circles separate outer text. "Л" in the word "Жигулевское" has curved shape. The ends of 6 and 9 in ГОСТ code are curved.
© Image by Alexei Shpiyakin
Замечены пробки с точками в "МОЭПЗ" и без. Пока не найдутся пересечения, пускай в одной разновидности будут.