Embossed steel. Embossed inside. Mineral water. Slavyanovskaya. Production period: 1990-1992.
Inscription on cap: Славяновская 1-10-90
Unlike RU600201-1003, the year here has only two digits. The date and the brand name are stamped close to each other. The text is small. 2 and 5 feathers in wings.
© Image by Alexandr Kolosov
There are some caps with fewer feathers in right wing. It's kind of defect in printing. It must be 5.