Embossed steel. Embossed inside. Beer. Zhigulevskoye. Production period: before 1985.
Inscription on cap: along the inner circumference - "Жигулевское цена 25 к б п", along the outer one - "ГОСТ3473 78 МЭПЗ".
Embossed inside like most of the Soviet caps of the 1980s.
© Image by Art Zhitnik
27 is not a cap, it's a plastic liner.