Calendar RU600401-1002

Embossed steel. Embossed inside. Mineral water. Production period: 1988.

Inscription on cap: Пятигорск ПЗ Машук - 19 1-8-1988

This differs from RU600401-1001 by having a different font.

There are caps with lacking a dot between П and З, as well as without a dot.